Hello Gulshan

To pursue career in ethical hacking it is very important to have a bachelor's degree (BSc, B.Tech, BE, BCA) in Information technology or Computer science. Candidates with an advanced diploma in network security or relevant technology can also choose ethical hacking as a career.

syllabus of Ethical Hacking Differs according to colleges because Every college follows a distinguished syllabus  But, a few common subjects are studied by all the universities/colleges. To attain the most appropriate syllabus of the course, one must refer to the college website. Some of the Ethical Hacking subjects are mentioned below:

• Cyber Ethics-Hacking Introduction
• Information Gathering
• Scanning
• Google Hacking Database
• Virus, Worms – Virus Analysis
• Trojans & Backdoors
• Sniffers & keyloggers
• Social Engineering
• Email, DNS, IP spoofing
• System Hacking & Security
• HoneyPots

For more further information check the link given below

https://www.careers360.com/courses/ethical-hacking-course

Thanks