Hello Saurav,

Have you appeared for GATE Entrance Exam? If yes then mention your score here then I can guide you better about. It also depends on you which institute you wish to take admission for M.tech programme if you want to go for IITs, NITs but your GATE score is not enough to get admission there for the desired branch then you can prepare again. 

I can help you better if you share here your Out of thousand, Out of hundred score & the desired branch.

Good Luck!