Dear aspirant,

Yes, you can pursue M.sc after doing B.Tech or completing an equivalent Engineering degree. For that you will have to sit for IIT-JAM and then after qualifying you can take up any field of study you want. M.Sc or M.Tech or any dual degree post grad. course. IIT Jam has included many new subjects this year. You can check the same in the link given below:

https://university.careers360.com/articles/jam

All the best!