Hii aspirant
Engineering has diversified field and many of them are relatively new like energy and environmental engineering mechatronics
And the core engineering stream are mechanical electrical Civil CSE ECE
So every field has now a days ample opportunity to excel and  achieve your goals but you just have to choose the stream forwhich you are passionate and you find it interesting
Every stream will give you ample opportunities but it's up-to you how you grab them

Hello satish,  Computer is the best stream in engineering. Because today everyone is upgrading to digital world. In every field digitization is implementing currently. And also new technologies are coming in India like Artificial intelligence,  IOT, Artificial Neural network etc.  So computer field is in demand , in today's world.  So computer engineering has more weightage in future upcoming years. 

I hope it will help. 

Hii aspirant
This is the most common question that comes to engineering aspirants mind
But this question does not have relevant answer as in modern era each and every field has ample opportunities and you should go for stream that you are passionate about and are interested in
Because that will get best out of you and you will be able to put maximum effort with fruitful results
Regarding placements every stream provides with good placements oppurtunities as well it is up-to you to grab the same