Congratulations Bhavani! You scores good percentile.I can give you rough idea about rank in general category.Your rank will be around 17.4k.This is good rank in jee mains.Yes with this rank you can get CS branch in NITs.You will get lot of NITs with this rank.Go through link ,In this link opening and closing rank of various NITs for CS branch is given.Copy the link and paste it in your search engine.Since from previous year some seats are reserved for girls,You will get better NITs with this score.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/articles/nits-cutoff-for-b-tech-computer-science-and-engineering&ved=2ahUKEwivsdmUnYPgAhXWSH0KHbVeBxAQFjAAegQIARAB&usg=AOvVaw1WxXJ8mvxzW2aU7fpCgFn3&cshid=1548223302908.

You can ask if you have any other queries.Fell free to ask.

GOOD LUCK!