Hello Abhi,

Admission to Engineering course in IITs is on the basis of JEE Advanced exam. And, to appear for JEE Advanced exam you will have to qualify the JEE Main exam.
You can register for the JEE Main 2019 January exam till September 30.
Go through the link below

Hello Sunny,

You must have completed four years in any degree. Diploma holders are not eligible for the GATE 2019. 

Candidates who have switched to B.E/B.Tech after completing 3 years in Diploma will be eligible to appear for the GATE 2019 examination.

Kindly refer to our article on GATE 2019

Hello,

IIT offers M.Sc. in biotechnology and Environmental study related courses which are a sub-branch of biological science. You can read complete course detail and eligibility criteria here - https://university.careers360.com/articles/jam-eligibility-criteria

All the best

Hello,
If you are asking about admission to Engineering course in IIT then admission is on the basis of JEE Advanced exam. And to appear for the JEE Advanced exam, candidates must qualify the JEE Main exam.
Eligibility criteria for JEE Main exam is candidate must have studied Physics, Chemistry

No you cannot. 

Students in 12th as Appearing or who have lready appeared can only be allowed to attempt for Jee Main and Jee Advanced exams. Students must have optes for PCM subjects in 12th.

Jee advanced eligibility criteria below. 

https://engineering.careers360.com/articles/jee-advanced-eligibility-criteria

Not necessarily you can do it from IIT, you cannalso pursue from top NITs and CFTIs and IIITs and GFTIs as well which are of national importance and have high vakue. 

You can also gobfor private engineering colleges like Following :

https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-India?f%5B0%5D=im_field_ownership%3A967&f%5B1%5D=sm_course_offered%3ASoftware%20Engineering

Yes they do have as many students reside nearby or in vicinity kf location. 

Not all students compulsorily opt for hostels because they have been residing in the city an dhave their own residential address. 

Day scholars however can also opt for hostel facilities to save time for commute. 

Cutoff is different across all IITs departments and depending upon Quotas and stream syou choose. 

Entir e cutoff reports fir all IITS under SC category below. 

https://engineering.careers360.com/articles/jee-advanced-cutoff