Cobsidering your child to be a general rank holder , he/she can get a seat in more than 10 NITs. To check the names of those NITs , please go through the below given links

ECE:

https://engineering.careers360.com/articles/nits-cutoff-for-btech-electronics-communication-engineering

CSE:

https://engineering.careers360.com/articles/nits-cutoff-for-btech-computer-science-engineering

Hope it helps !