Helllo.

Offcourse there is way to get into NITs if you clear JEE mains. Dont worry you will get it, just study for JEE mains sincerely and as you sdaid you have plus point of your Category you will defenitely crack any NITs.

While prepaing for JEE mains . Dont forget to refer text books , online tests etc.

Some tips to answer  JEE mains:

1. Make proper notes while studing , sso that you dont have to go through entire textbook again to see what have completed and what is pending.

2. Dont forget to solve MCQs after studying every chapter or subject . 

3. Refer to online mock test paper available and try to solve them.

4. Dont forget to solve atleast 5 previous year question papers.

HAPPY PREPERATONS