IIT

You will get good salary package after completing your B.Tech from IIT. IITians are considered to be intelligent, and they possess good technical skills.

I agree with Shweta at some points but will suggest, you go for a coaching class as it provides a competitive environment and proper study pattern. Also, it will be more helpful if you go for Catalyser or someone similar.

Difficulty level in order of precedence is as follows:
CAT & XAT (similar)IIFT
SNAP
MAT
( scale of tough to easy )

The Indian Institutes of Technology ( IIT) O are autonomous public institutes of higher education. IITs are located at Bhilai, Madras, Delhi, Dhanbad, Dharwad, Goa, Guwahati, Jammu, Kanpur, Kharagpur, Bombay, Roorkee, Bhubaneswar, Gandhinagar, Hyderabad, Indore, Jodhpur, Mandi, Palghat, Patna, Ropar

There are some good coaching institute which offer preparation for GATE such as Made Easy, Career Launcher, ACE Academy. You need to write GATE and score 98 percentile to get a discipline of your interest from a good IIT. You need to keep your basics clear and work out as much problems as possible o

Software developer from IIT (starting package - 10-12 lakhs or 1-2 cr. in case of outstanding performance).

Yes, you can take admission in IITs after your Diploma through lateral entry program. You have to check the eligibility criteria. For lateral entry, there is an entrance exam required or some IITs have on merit basis also.

You can check the below mentioned link:
https://www.shiksha.com/top-engineering-colleges-in-india-rankingpage-44-2-0-0-0

Hello,
If you want to clear IIT entrance exams, then you should prepare for IIT JEE or IIT JAM test. These exams are considered as very tough exams in India. You have to work hard to prepare for these exams. You should solve previous year question papers to get a perfect idea about the exam and exam