hi,

see most of the tier 1 colleges offers m.tech course based on gate rank, however apart from gate there is others entrance test like appgecet or tspgecet etc exams based on which you may get chances for m.tech courses. I have mentioned some of the institute name below:

Agricultural Engineering College and Research Institute, Coimbatore

Vignan's Foundation for Science Technology and Research, Guntur

Dr Annasaheb Shinde College of Agricultural Engineering, Ahmednagar

Singhania University, Jhunjhunu

Anand Agricultural University, Anand

for more details you may refer to the below link:

https://engineering.careers360.com/colleges/list-of-me-mtech-in-agricultural-engineering-colleges-in-india