According to previous years seat allotment the closing rank for different branches in Guru Nanak Institute of Technology are:

CIV-20262

CSE-10269

ECE-11192

EEE-13301

IT-12820

for more check this: https://engineering.careers360.com/articles/ts-eamcet-cutoff

For GNIT you have go through TS Eamcet and with that rank you wont a seat in any branch in Guru Nanak Institute of Technology.In AP  through eamcet you can get following:

Anantha lakshmi College-Anantapur

Aditya Institute of Technology

SASI institute of Engineering

NRI college-guntur

Vignan's LARA  Institute of Technology

through ts eamcet:

Marri laxman Reddy Institute of Technology

Deccan college of engineering and technology

ISL engineering college

Malla Reddy Engineering Colege

Chaitanya Institute of Technology and Science

for more colleges for your rank check:

https://www.careers360.com/ap-eamcet-college-predictor

https://www.careers360.com/ts-eamcet-college-predictor

All the best!