Hello Ananth,

You need to consider the following points when you select a particular institute for post-graduate studies: 

• knowledge is gained after pursuing an M.Tech.
• Research scope within the institute
• Exposure 
• peer group
• Amount of time and effort spent in teaching assistantship.
• Placement scenario

Some good colleges you can prefer for doing M.Tech other than those which are under CCMT are:

• Anna University, Chennai
• Jadavpur University, Kolkata
• Vellore Institute Of Technology, Vellore
• Institute Of Chemical Technology, Mumbai
• Birla Institute Of Technology And Science, Pilani
• Jamia Milia Islamia, New Delhi
• College Of Engineering, Pune
• Thapar University
• Delhi Technological University
• Aligarh Muslim University
• Kalinga Institute of Industrial Technology, Bhubaneswar
• Indian Institute of Space Science and Technology, Thiruvananthapuram
• PSG College of Technology, Coimbatore

For any further query, you can revert back here.

Thank you and all the best.