Hii,

Currently Bachelor of Technology is one of the most Demanded Course. In this Course there are various Specializations like Mechanical, Electrical, Electronics, Civil, IT and Computer science Engineering and many. speaking about the Opportunities and better placements Computer Science is the best Choice. Almost in every College the placements for CSE students are good enough.

Each course is best in its own way but for an individual it largely depends on interest and the college you are concerned with. Computer science abd IT branch has best placements among all the branches in engineering colleges. Some colleges also provides better placement in mechanical and civil.
So choose your branch first then look for the best available college you have for that branch.

There are many courses to go for the Bachelor degree. Now the choice of the course will depend upon the several factors like the marks obtained in the entrance exam, Willingness to migrate, Fees of the institute and many more. There are many branches in the field of engineering and technology to go for the BTech. degree. Now a days there are new branches emerging with the bright career option and numerous opportunity. The new branches are namely,

• Aeronautcal engineering
  
• Automation and robotics
  
• Mechatronics
  
• Aircraft manufacturing and maintenance engineering
  
• Biotechnology
  
• petroleum engineering
  
• petro chemical engineering
  
• Nuclear engineering
  

Also there are more brnaches including core branches for the engineering and you can refer that on the link given below.

https://www.careers360.com/list-of-engineering-courses-offering-be-btech-degree-in-india