Which course should I pursue to become an ethical hacker?

Ethical hackers are mainly Penetration Testers who find security issues in the system. Cyber Security is much bigger domain, and covers a lot of subjects including penetration testing. CSSRL provides various training programme in cyber security domain.

There are various ethical hacking courses. Choose the one in which you have the maximum interest. CEH is the basic course and for other courses, check the link below : https://www.shiksha.com/it-software/networking-hardware-security/colleges/cyber-security-colleges-india