IIT

If you are an engineering graduate then you can not enter into IITs without GATE Examination. You can enter IITs as a sponsored candidate without any entrance exams if your org has a tie up with IITs. For example DRDO, Defence services sponsor candidates for M.Tech at IITs without GATE.

If you are an engineering graduate then you are advised to appear for GATE to join IITs, etc. If you are a science graduate then you may appear in JAM examination to seek admission in IITs, etc.

Hello Dhruv,
As you want CSE in IIT then your JEE Advanced exam rank should be less than 4k as only then you can get admission in IIT for CSE branch.

Admission in M.Tech at IITs and NITs is based on GATE score. IIT-Powai and IIT-Delhi are best Institute for M.Tech in electrical engineering.

These are some of the good online coaching institutes that you can opt for.
https://www.misostudy.com/
https://www.plancess.com/

You can go through JEE Mains only to get into IIT.

Hello Saurabh,
There are total 3 attempts for JEE Mains and 2 for JEE Advanced and these are applicable for the consecutive years only.
So, if you would complete your 12th board exam in the year of appearing JEE or have completed in the previous year then you are eligible for JEE.

It is there in the practicals of 12th.
Follow MCI website to get NEET UG syllabus.

There are various websites which will have PDFs of previous years GATE papers. You can also buy Made Easy material, it also has solved questions of previous years papers.