hello,

if you belong to SC/ST category then you can apply for admission into IIT campus like Delhi, Kanpur. IIT Guwahti for ST category. for NIT, for general category they accept score range 700-600. if you don't have  reservation category then it will be difficult to get an admission.

You can apply for low ranked NITs like Sikkim, Manippur, Meghalaya, Vijyawada, NagaLand, Puducherry. for security purpose, you can apply for top government engineering college who provides MTech. for more details regarding cutoff for different IIT and NIT, IIIT campus, please visit the link below:-

https://engineering.careers360.com/articles/gate-cutoff

Hope it helps!