Hi aspirant,

See every course is good, there is no such good or better course . The thing is you should have interest in what you are doing & in today's competitive world you have to pick a course that has relevance and can make you ahead of others in future.
So, I am listing below some of the emerging B. Tech specializations that have great scope :-

• B. Tech in Computer Science Engineering
  
• B. Tech in Mechanical Engineering
  
• B. Tech in Civil Engineering
  
• B. Tech in Electronics & Communication
  
• B. Tech in Aeronautical Engineering
  
• B. Tech in Automobile Engineering
  
• B. Tech in Biotechnology
  
• B. Tech in Agricultural Engineering
  
• B. Tech in Architectural Engineering
  
• B. Tech in Biochemical Engineering
  
• B. Tech in Bioinformatics
  
• B. Tech in Ceramic Technology
  
• B. Tech in Carpet & Textile technology
  
• B. Tech in Dairy Technology
  
• B. Tech in Electronics & Telecom Engineering
  
• B. Tech in Food Technology
  
• B. Tech in Genetic Engineering
  
• B. Tech in Petroleum Engineering
  
• B. Tech in Marine Engineering
  
• B. Tech in Metallurgy
  
• B. Tech in Nanotechnology
  
• B. Tech in Naval Architecture & Ocean engineering
  
• B. Tech in Nuclear Science Engineering
  
• B. Tech in Robotics Engineering
  
• B. Tech in Space Technology
  
• B. Tech in Water Resources Engineering.
  

I HOPE THIS HELPS!!!