An ethical hacker is a computer and networking expert who systematically attempts to penetrate a computer system or network on behalf of its owners for the purpose of finding security.

And government colleges do not provide ethical hacking courses in India.

Ethical hacking and ethical hacker are terms used to describe hacking performed by a company or individual to help identify potential threats on a computer or network. An ethical hacker attempts to bypass system security and search for any weak points that could be exploited by malicious hackers. This information is then used by the organization to improve the system security, in an effort to minimize or eliminate any potential attacks.

Below are the institutes which provides these courses

Innobuzz Knowledge Solutions
CyberTron Network Solutions
Institute of Advance Network Technology (IANT)
Jetking Infotrain Ltd.
Insparc Technologies Pvt. Ltd.

All the Best!!