At class 12th level you must study Physics, Chemistry and Mathematics. And at the college level you should have take Bachelor of Technology in computer science specialisation. Best specialisation should be blockchain and blockchain development. There are various few colleges in India which offer blockchain technology development course. I am mentioned below the name of those colleges and Universities which offer B.Tech. course with Blockchain Specialisation:

• Sharda University
• UPES, Dehradun
• Ajinkya DY Patil University
• Jain University
• Northcap University
• Shrinivas University

The fees for Bachelor of Technology blockchain course can be between 200000 to 600000 in these universities which are mentioned above.

Read More about B.Tech. Block Chain by clicking on mentioned below link:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://dqxeclau.top/courses/blockchain-course&ved=2ahUKEwid1OGXgJf1AhU473MBHRtrA8QQFnoECAUQAQ&usg=AOvVaw230pRw88_CcMWdPUxqREm1