Hi Sameera,

If you get 100 marks in JEE main exam, you rank would be approximately in between 75,000 to 80,000.  Also, Above is the range of your possible rank. The predicted rank may vary due to JEE Main tie breaker rules for the same score. You will not get NIT s with this marks and rank. For NITs, You have to secured minimum of 30,000 rank.

If you have secured this rank you have a chance to get these colleges:

1. Walchand institute of technology
2. RAIT Mumbai
3. Pondicheery Engineering college
4. Vidyalankar institute of technology
5. Ujjain Engineering college
6. Amity University
7. PTU Punjab
8. MIT Academy Pune
9. UIET Punjab

These are few colleges, you will get on these marks. But you didn't get any NITs with this marks.