To be very honest, chances are very low based on your score. 

Meanwhile, if you are looking for best possible option for you, Then go for GATE college predictor tool created by Career360. The link is given below-

Https://engineering.careers360.com/gate-college-predictor

All the Best.

You can check your chances in various colleges based on your score and category, you should try Careers360 college predictor and rank predictor.

Link for Careers360 rank predictor:- https://engineering.careers360.com/gate-college-predictor

All the very best and good luck.

Hello Sekhar,

Congratulations. You have qualified in GATE 2018.

But unfortunately, If you are looking for any good college having good faculty and placement record is hard to find on basis of your score. Anyhow, If you get successful to get into good college, then M.Tech. stream will not be as per your choice. 

If you are looking for best possible option for you, Then go for GATE college predictor tool created by Career360. The link is given below-

https://engineering.careers360.com/gate-college-predictor

All the Best.