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Directi comprises of a group of tech businesses owned, operated or invested in by Bhavin and/or Divyank Turakhia. The Group boasts of multiple business units that are run independently by their respective management teams.The Directi portfolio companies comprise of Radix, Ringo, Flock, Zeta and Codechef. Media.net | One of the largest ad-tech companies worldwide, owned by Starbuster TMT Investments, leverages the Directi brand and culture for recruitment in its India offices.Across these businesses, Directi employs 1600+ people across 8 offices, with over 9 million customers, revenues of over $250 million and a group enterprise value of over $1.4 billion. The company has invested in multiple category leading global brands across business areas as diverse as web presence (domains, hosting, cloud-infrastructure), online advertising, communication & collaboration (voice and messaging) and payments (benefits and compensation).Let me try and give a short explanation of what each business does:Radix: Radix is Asia's largest new gTLD applicant in ICANN's process to expand the internet naming system and introduce new, meaningful internet addresses. Internet of the future will comprise of more meaningful domain names which are specific and targeted to the brand it represents. For example: a rock band can have a website with an extension rockband.music or a photographer can display his work on mywork.photography instead of more generic domain names like .com or .netWe have successfully launched 7 domain extensions including .store, .site, .online, .tech,.website, .press, .host, .space, .pw - the professional web, and .in.net.Ringo: Ringo is the first app that delivers high quality and low cost international calling. Ringo uses telephone networks and doesn't depend on the internet like other international calling apps which means you’ll have a consistently superior calling experience throughout the duration of a call. You can check this video to understand how it works :Flock: Flock, is an enterprise messaging and collaboration app that aims at increasing productivity and improving team-communication in organizations of all shapes and sizes. Flock is also one of the most powerful communication platforms available, with APIs that enable third party developers to build integrations, Bots and Apps. Check out our app store at http://apps.flock.coYou can learn more about how Flock works from this Video:Zeta: Zeta is an innovative mobile payments platform that seeks to revolutionize commerce. The platform will deliver multiple services and applications that will have a remarkable impact in the lives of several 100s of millions of users in India. Zeta’s product portfolio includes digital solutions for employee benefits like digital meal vouchers, medical and other reimbursements which can help employees save tax. You can learn more about Zeta’s product suite from this video:Codechef: CodeChef is a not-for-profit educational initiative by Directi. It is one of the largest competitive programming platform largely run by a global programming community that fosters learning and friendly competition. CodeChef was created as a platform to help programmers make it big in the world of algorithms, computer programming and programming contests. Its a platform for aspiring computer enthusiasts to practice and fine tune their programming and problem solving skills. It hosts 3 featured contests every month however, the platform is open to the entire programming community to host their own contests. Major institutions and organizations across the globe use our platform to host their contests. Codechef also partner with colleges and groups to create local CodeChef Chapters, meet-ups, orientation sessions, programming workshops. In addition, it sponsors coding contests and teams of Indian programmers as part of our Go for Gold Initiative. Codechef also launched “Codechef for schools” an initiative that aims to make it easier for students to start coding at a young age. You can see more details here:Hope this helps!

Hello there,Valliammai Engineering College (VEC) shares it campus with SRM KTR located at potheri.The college was lenient pre 2014 (Words from seniors).Regarding the facilities :Lab : The laboratory are not so with the best components. Several instances of the CEO were broken in our Eie lab.We did our coding in Turbo C++ IDE. Most of the rolling chair have their wheel broken. But the components are all fine with respect to their working condition for the practicals.6/10.Faculty : Most of the faculty members are having an M.E. degree. Expect for 2 -3 staff and HOD who have PhD rest all are just fine. The teaching goes well if u can concentrate in the classes and basics are clear.8/10.Crowd: The people here taking admission would be from rural / town background joining just for the name of SRM lifestyle (Even me). Most of the students are from state board and the crowd is not competitive in the term of knowledge. Most of them expect spoon feeding which is not possible.Examinations : 3 periodical test for 100 marks - 3hr (PT) are conducted every semester for evaluating the internal marks. No boosting of marks under any circumstances. Even if u score a 0 it is entered as such.Minimum 75% attendance is required.This process is really helpful as u neednot study at the last moment for semester exams.9/10Rules : Formals are compulsory with black shoes for boys and cut shoes for girls.ID cards are seized if Formals are not worn or if u take leave unnecessary ( Leave is for 1st year only).You are even thrown out during pt exams if dress code is violated.Bunking the classes is very easy and is not taken seriosuly at all. All u need is 75% attendance.Mobiles phones are expected to in switch off mode in the bags. Not even in silent. If caught then you have to pay 5000₹ fine to retrieve it. Instances of checking the gallery and WhatsApp and Facebook messages have occurred in 1st year.Getting OD in the first year is not possible as the FYCC ( First Year Chief Coordinator) thinks students are not capable enough to participate and win. Certain exception are found.2/10 (who accept such archaic rules of Formals and mobiles).Placements : You are eligible for placements only if u are having a GPA of 6 ( no sure). Students are mostly placed in IT company and core company's chances are very less.5/10Extracurricular/symposium/ Cultural festYou are expected to participate in sports event (inter dept)but u will not be given attendance. Such an encouraging environment.Symposium are hosted every year but I don't know about the events and participation from other colleges.The cultural fest this year suck as the total duration was 3 hrs in which half was taken from prize distribution. Again we were expected to wear Formals.VEC is a local chapter for NPTEL. The SPOC Anbuchezhiyan Sir is very friendly and is ready to help and student to take part in such certification courses.You can hangout at the Srm facilities and canteen as VEC is very small . Hardly 20 acres.One advise for students from far by area ( guindy , Nandambakkam etc)The traveling time is very high (1and half hrs for coming and another 2 hours for leaving.)The train station is about 400-600 m from the college.You would surely get tired walking such distances. The college timings is from 8 30 to 4 15.Special classes is compulsory for students failing to get 50% in PT exams for upto 5 30.You can reach home at the earliest at 6 and keep sulking about your friends reaching early like 4 30 .FEES is 45000 15k per year .The 15 k goes to Chiron trust which keeps classes during Saturday for enhancing our aptitude skills.( Useless as far as I concern).Overall the college is very good towards you if are ready to maintain the same .Only few staff are knowledgeable and are ready to help out if u ask them.PS Currently a first sem student. Have semester examination tomorrow.

BEIJING scientists have published in NATURE SCIENCE JOURNAL a compelling study that answers the key question: what is the driving force of climate change? Using the longest instrumental temperature record over 400 years from England (CWT) the study debunks the importance of man made climate change based on observational research not just conjecture and thinking like the UN IPCC.naturescientific reportsarticlesOpen AccessPublished: 07 April 2017Identification of the driving forces of climate change using the longest instrumental temperature recordGeli Wang,Peicai Yang &Xiuji ZhouScientific Reports volume 7, Article number: 46091 (2017) Cite this articleAbstractThe identification of causal effects is a fundamental problem in climate change research. Here, a new perspective on climate change causality is presented using the central England temperature (CET) dataset, the longest instrumental temperature record, and a combination of slow feature analysis and wavelet analysis. The driving forces of climate change were investigated and the results showed two independent degrees of freedom —a 3.36-year cycle and a 22.6-year cycle, which seem to be connected to the El Niño–Southern Oscillation cycle and the Hale sunspot cycle, respectively. Moreover, these driving forces were modulated in amplitude by signals with millennial timescales.IntroductionCausality analysis in climate change is an active and challenging research area that remains highly uncertain. The Intergovernmental Panel on Climate Change (IPCC) 1advocates that human activity is the most important driving force of climate change, while some researchers have argued that natural forces might be the main cause. These different views are mainly due to a lack of methods to address the complexity of climate system and insufficiency in observational climate data.Global circulation model (GCM) simulations are generally used to investigate the causality of climate change. However, due to the limited knowledge of the climate system, large uncertainties are still associated with GCMs; therefore, the improvement of current GCMs to meet the requirements for causality analysis is still an urgent issue. An alternative method to GCMs is to use long-term observational climate data to study the driving forces of climate change, a method that has recently benefited from the great progress made by physical and biological scientists in studying the driving forces in non-stationary time series. The main advantage of this approach is that observational data can be used to directly extract the driving forces of an unknown dynamical system.Discussion and ConclusionsA new investigation on climate change causality is given using the longest instrumental temperature record — the CET dataset— which was analyzed using SFA and wavelet analysis. This investigation into the driving forces of climate change reproduces a 3.36-year cycle and a 22.6-year cycle, which may be connected to the ENSO cycle and the Hale sunspot cycle, respectively. Other beats from interdecadal to centennial components were also reproduced at 7.5, 14.5, 67.7, 90.4, 113.9 and 215 years, which could also be induced by ENSO and the Hale sunspot cycle as they are harmonics of the two basic frequencies. They are all strongly amplitude and phase modulated, and the modulating signals acting on the scale components are oscillations with a period of about 1000 years, which represent the impacts of GHGs as presented using the surface air temperature time series in the Northern Hemisphere in Yang16.Tung and Zhoupresented an interesting analysis result for the scale structure of the CET time series and found a scale component with a spectrum band from 50 to 90 years that propagates through the phase space of the indices considered as the AMO, due to the large thermal inertia associated with slow oceanic processes. This scale signal is reflected in the Northern Hemisphere area-averaged surface temperature signal and the CET dataset, which explains, by inference, a large fraction of the multidecadal non-uniformity of the observed global surface temperature warming in the twentieth century. However, the relationship between the 67.7 years found in this paper and the solar scales suggests that this climate component plays a key role in multidecadal variability. This scale signal that has a period of 67.7 years in the CET dataset is regarded as a harmonic of the solar cycle because of the harmonic relationship with the Hale sunspot cycle. Note that a quasi-millennial cycle could also be forced on the Sun by the rotation of the Trigon of the great conjunctions of Jupiter and Saturn. These results clearly indicate that both solar and climate oscillations are linked to planetary motion.Identifying causality in complex climate systems can be difficult; therefore, this study is a further attempt to better understand causality using the longest instrumental time series of temperature based on observed climate data associated with climate change. Such an approach may provide another method to study causality in climate change. As an alternative approach to GCMs, the technique directly utilizes the observed nonstationary data to directly construct the driving forces, referred to as the ‘inverse problem’ in mathematics.It has been shown in a number of other fields27,28,29that SFA can be applied to nonstationary time series to estimate a single underlying driving force with high accuracy. However, application in the climate sciences, which involves nonlinear and complex systems, is at a preliminary stage. There are uncertainties related to observational limitations, as well as missing or uncertain external forces. In particular, SFA may not account for possible nonlinear interactions between the different scales. In addition, this study used the longest instrumental record in central England, in which different sources of uncertainty may exist. Further work to evaluate this source of uncertainty is therefore desirable. These issues, among others, will be considered in forthcoming studies.MethodAs the world’s longest instrumental record of temperature, the Met Office Hadley Centre’s CET time series represents the monthly mean surface air temperature averaged over the English midlands and spans the period January 1659 to December 2013. The record covers several episodes of natural and anthropogenic warming of multidecadal durations, and has value as one of the longest instrumental temperature records, even though it is limited in spatial extent.COMMENTSJames Matkin • 3 years agoThis research is very relevant and should make climate alarmists pause in their crusade against Co2 emissions from fossil fuels. Far too much focus on Co2 like a one trick pony in a big tent circus where solar radiation is a more compelling show.The thrust of recent research has demonstrated that climate changes continually and is determined by natural forces that humans have no significant control over. Many leading scientists have presented research of other "driving forces" and cautioned against the arrogance of many that "the science is settled." See Judith Curry of the Georgia Institute of Technology and blogger at Climate Etc. talks with EconTalk host Russ Roberts about climate change. Curry argues that climate change is a "wicked problem" with a great deal of uncertainty surrounding the expected damage as well as the political and technical challenges of dealing with the phenomenon. She emphasizes the complexity of the climate and how much of the basic science remains incomplete. The conversation closes with a discussion of how concerned citizens can improve their understanding of climate change and climate change policy.http://www.econtalk.org/arc...Identification of the driving forces of climate change using the longest instrumental temperature recordThe Beijing study relied on a further study as a reference.Published: 24 July 2015Causality of global warming seen from observations: a scale analysis of driving force of the surface air temperature time series in the Northern HemispherePeicai Yang,Geli Wang,Feng Zhang &Xiuji ZhouClimate Dynamics volume 46, pages3197–3204(2016)Cite this articleAbstractBy using the slow feature analysis, we reconstructed the driving force for an observed monthly surface air temperature anomaly time series in the northern hemisphere. Wavelet transformation technique was then used to analyze the scale structure of the derived driving force and its causal relationship with global warming. Results showed that the driving force for the analyzed temperature climate system included two independent degrees of freedom which respectively represented the effects of 22-year solar cycle and Atlantic Multidecadal Oscillation on the climate. More importantly, the driving force is modulated in amplitude by signals with much longer time periods. The modulation controls the energy input to the climate system and its effect on the global warming is decisive. In addition, through analyzing phase transitions from zero to extremes of the modulating signals, we provide a projection for the future trend of the surface air temperature. In specific, in the next 45–65 years, the driving force will continue to rise which will drive the air temperature even warmer. This is a long term natural trend determined by the modulating amplitude signals, but not directly related to human activity.Causality of global warming seen from observations: a scale analysis of driving force of the surface air temperature time series in the Northern HemisphereMERITLESS CONJECTUREABSTRACTIn this paper, we scrutinize two completely different explanations of the so-called atmospheric greenhouse effect: First, the explanation of the American Meteorological Society (AMS) and the World Meteorological Organization (W?MO) quan- tifying this effect by two characteristic temperatures, secondly, the explanation of Ramanathan et al. [1] that is mainly based on an energy-flux budget for the Earth-atmosphere system. Both explanations are related to the global scale. In addition, we debate the meaning of climate, climate change, climate variability and climate variation to outline in which way the atmospheric greenhouse effect might be responsible for climate change and climate variability, respectively. In doing so, we distinguish between two different branches of climatology, namely 1) physical climatology in which the boundary conditions of the Earth-atmosphere system play the dominant role and 2) statistical climatology that is dealing with the statistical description of fortuitous weather events which had been happening in climate periods; each of them usually comprises 30 years. Based on our findings, we argue that 1) the so-called atmospheric greenhouse effect cannot be proved by the statistical description of fortuitous weather events that took place in a climate period, 2) the description by AMS and W?MO has to be discarded because of physical reasons, 3) energy-flux budgets for the Earth-atmosphere system do not provide tangible evidence that the atmospheric greenhouse effect does exist. Because of this lack of tangible evidence it is time to acknowledge that the atmospheric greenhouse effect and especially its climatic impact are based on meritless conjectures. [Emphasis added]Cite this paperKramm, G. and Dlugi, R. (2011) Scrutinizing the atmospheric greenhouse effect and its climatic impact. Natural Science, 3,In addition I suggest reading this free book by Dr. Vincent Gray, a famous climate scientist.THE FULL TEXT OF DR VINCENT GRAY’S WELL RESEARCHED BOOK IS PUBLISHED HERE.The Global Warming Scam and the Climate Change SuperscamI= = = = = = = = = = = = = = = = = = = = = = = = = =The Global Warming Scam and the Climate Change SuperscamI have illustrated the value of reading this book by quoting some selected passages below from one chapter.CHAPTER 7: THE GLOBAL WARMING SCAMCHAPTER 7: THE GLOBAL WARMING SCAMTEMPERATURETemperature is the degree of hotness or coldness of any substance. It may be thought of as the level of average total mechanical and vibrational energy transfer between the molecules. This level is determined by a temperature system based on change of state such as rhe freezing or boiling point.of waterThe SI Unit is the Kelvin defined as the fraction 1⁄273.16 of the thermodynamic temperature of the triple point of water (exactly 0.01°C or 32.018 °F). In other words, it is defined such that the triple point of water is exactly 273.16 K.The most important climate property for establishing the theory that climate is influenced by so-called greenhouse gases is the global temperature which is considered to increase with increases in human induced emissions and therefore to cause warming.Unfortunately a scientifically established global temperature does not exist so it is also not possible to know whether it is increasing or decreasing1,2.Essex et al1have explained this as followsPhysical, mathematical and observational grounds are employed to show that there is no physically meaningful global temperature for the Earth in the context of the issue of global warming. While it is always possible to construct statistics for any given set of local temperature data, an infinite range of such statistics is mathematically permissible if physical principles provide no explicit basis for choosing among them. Distinct and equally valid statistical rules can and do show opposite trends when applied to the results of computations from physical models and real data in the atmosphere. A given temperature field can be interpreted as both “warming” and “cooling” simultaneously, making the concept of warming in the context of the issue of global warming physically ill-posed.Temperature is an intensive property. It can only be defined as a property of a uniform substance.Thermodynamic variables come in two varieties: extensive and intensive. Extensive variables are proportional to the size of the system. They are additive. In this category we find volume, mass, energy, entropy, particle number etc. We can combine two systems and the values of extensive variables for the whole system will simply be the sum of the values from the two components. Correspondingly a mean subsystem (loosely called the average) will have this sum divided by the number of components. Such an average over a quantity like mass is meaningful because the sum is meaningful. For example average mass is of importance to airlines because it is helpful to estimate the total load of an aircraft without having to weigh every passenger.Intensive variables, by contrast, are independent of system size and represent a quality of the system: temperature, pressure, chemical potential etc. In this case combining two systems will not yield an overall intensive quantity equal to the sum of its components.For example two identical subsystems do not have a total temperature or pressure twice those of its components. A sum over intensive variables carries no physical meaning. Dividing meaningless totals by the number of components cannot reverse this outcome.In special circumstances averaging might approximate the equilibrium temperature after mixing, but this is irrelevant to the analysis of an out-of-equilibrium case like the Earth’s climate.It is possible to argue that sensors for temperature such as mercury in glass thermometers, thermocouples and thicknesses of tree rings or varves are surrogates or proxies of temperature. They can therefore be subject to statistical treatment, and even some form of averaging. However they are usually not representative samples, either of the surface or of the atmosphere, so the averages are of limited value and without scientific significanceNo point anywhere in the climate is ever in equilibrium. The only temperatures that exist are therefore transient infinitesimal increments of the surface and of the atmosphere which are constantly changing. There is never a single or an average temperature, only a transient temperature field. A physical model of the climate which assumes equilibrium can only be considered to be valid on a transient basis and can only be useful for forecasting if combined with records and opinions of its likely future changes. This is essentially the procedure carried out for weather forecasting.Geologists, climatologists and meteorologists have made attempts to derive rough estimates of trends in global surface temperatures from orbital and sun variability, fossil remains, tree rings, varves and historical evidence. These may be regarded as proxy temperatures. They are only partially based on actual scientific measurement and those that are used are often from unrepresentative samples. They have no scientifically plausible accuracy or bias estimates but they may represent collective opinion, often of self-styled experts, and are subject to the same differences of opinion as those shown amongst historians.A comprehensive list of past proxy temperatures has been compiled by Bernie Lewin3An example from 1975 is from Stanley4Figure 7.1 Mean Northern Hemisphere Temperature change fromweather station records, as derived in 1975, (from Stanley) 4The 1990 Report of the Intergovernmental Panel on Climate Change5 gave a very useful summary of the then current opinions5 from a large number of references.Figure7.2 Global Temperatures over different periods(IPCC !9945)Harris and Mann6 have provided this 2014 version from 2500 BC to 2040, It should benoted that they have avoided mentioning any specific temperature value.Figure 7.3 Global Temperatures 2500 BC to 2040 AD6The last two recognise the existence of a medieval warm period and a little ice age. The existence of both of which are now questioned by the IPCC.Meteorologists realise that the temperature in any locality varies over a single day in a manner that cannot be predicted or averaged, but they have the task of forecasting future temperatures and other properties, so they trap a sample of the surface in a screen away from sunlight and buildings.For some time they have measured the maximum and minimum temperature each day and used them to forecast future temperatures using computerised numerical models. These can only forecast with an accuracy of ±2ºC with a bias of ±1ºC for a week or so ahead. Nowadays many stations are able to measure hourly temperatures and frequently quote morning and afternoon figures besides the maximum and minimum.The so-called Daily Mean Temperature, the mean of the maximum and minimum is not a genuine average but merely a guide to local range.Gray7 has shown why no genuine local average surface temperature is possible by calculating the difference between a maximum/minimum average and an hourly average for a set of hourly temperature measurements for 24 weather stations in New Zealand8, for a typical winter’s day (January 1st 2001) and a typical summer’s day (July 1st 2001), intended as a student exercise.For the winter series this difference varies from -0.2°C to +1.9ºC for individual plots.For the summer series the difference varies from -1.1ºC to +0.4ºC.The Hourly averages are not symmetrical, so a daily average plus an estimate of accuracy such as a standard deviation is not possible. Here are some samples: