JEE - Know IITs

Indian Institute of Technology is ‘institutes of national importance’ as per the Institutes of Technology Act of 1961. These are a group of public and autonomous group of technical education and engineering institutes. 
The first IIT was established in Kharagpur in 1956 and today there are 16 IITs all over India. These are located in Chennai, Bhubaneswar, Mumbai, Ropar, Patna, Kanpur, Indore, Hyderabad, Jodhpur, Mandi, Roorkee, Varanasi, Delhi, Guwahati, Gandhinagar. All of these are autonomous institutes and offer degrees ranging from B. Tech. M. Tech to PH.D along with management studies as a separate program. 
As the IITs are considered to be one of the leading technical institutes not just in India but counted among the global universities, getting into IIT is tough. earlier there was a separate exam, IIT JEE that was conducted specifically for joining IITs, since this year, with change in the exam structure, the entrance is in 2 levels. The common examination for all engineering aspirants is now termed JEE Mains and those who clear the stringent criteria, numbering the top 1,50,000 based on their exam results (60%) and Class XII exams (40%) qualify for the JEE Advanced. 

IIT JEE entrance examination

The subjects remain the same- physics, chemistry and mathematics with 2 papers covering aptitude tests, core concepts in all three subjects through objective and subjective questions. Both the examinations are conducted for 3 hours each. 
With over 3-4 lakhs students appearing in the IIT-JEE for 9600 seats all over India, including the reserved categories of OBS, SC and ST, the competition is tough and only those students make the cut for counseling depending on the All India Rank. Apart from clearing the IIT-JEE Advanced, the students who are selected are among the top 20 percentile of their respective CBSE, ICSE and other state boards.

Within IITs

While within IITs, they have a different system of marking for performance evaluation with proportionate weightage in each course. The basis of grades remains 100 marks for each subject but are graded on a 10-point scale (out of 10).