hello akash

well if you are interested in cyber security and artificial intelligence you can pursue INFORMATION TECHNOLOGY(IT) OR COMPUTER SCIENCE ENGINEERING(CSE).all the subjects and  special workshops will be held in the interested topics .if you want to focus on only cyber security which is the becoming more popular these days due to increase in cyber crime these are the courses you can opt:

• MTECH IN CYBER SECURITY
• B.SC (HONS) IN CYBER SECURITY
• BCA IN CLOUD COMPUTING AND CYBER SECURITY
• M.SC IN CYBER SECURITY AND DIGITAL FORENSICS
• BTECH IN CYBER SECURITY AND FORENSIC

WELL if you want to take cyber security specialization in your post graduate you can now pursue CSE OR IT in btech field for ur UG.

hope this information helps!