There are several good colleges that offer M.Tech for Data science and Cyber Security,  some of them are.

1. DIT University - Data Science  - 135000
2. GITAM University  -  Data science   -  1,10,000 - 1,16,000
3. IIT Jodhpur - Data & Computational science - 13,000-1,04,000
4. IIIT Allahabad  - Cyber law & Information System - 1,29,000 - 2,58,000.

• SRM institute of technology ,Chennai
• Vellore Institute of Technology, vellore
• Amrita Vishwa Vidhyapeetam, Coimbatore
• Symbiosis institute of technology, Pune
• Manipal institute of technology, Manipal
• PES University, Bangalore.

Choosing a best college depends on various factors, remember to research each college and consider factors like faculty profiles, infrastructure, alumni Networks,and industry connections before making a decision.