Ethical Hacking

For becoming an ethical hacker, it's better to have a B.Tech in Computer Science first. Then, you can go for Ethical Hacking course from NIELIT or some other institute around.
CHFI - Computer Hacking Forensic Investigator
CSCU - Certified Secure Computer Users
ECSA - EC-Council Certified Security Analyst
ECSP. NET EC-Council Certified Secure Programmer. NET
ECSP Java - EC-Council Certified Secure Programmer Java

Basic Computer Skills
It probably goes without saying that to become a hacker you need some basic computer skills. These skills go beyond the ability to create a Word document or cruise the Internet. You need to be able to use the command line in Windows, edit the registry, and set up your networking parameters. Many of these basic skills can be acquired in a basic computer skills course like A+
Networking Skills
You need to understand the basics of networking, such as the following. DHCP
NAT
Subnetting
IPv4
IPv6
Public v Private IP
DNS
Routers and switches
VLANs
OSI model
MAC addressing
ARP.

Scope for Ethical Hacking. In India, companies like Wipro, Infosys and IBM are interested in employing ethical hackers. Moreover salaries are higher than other areas of IT. According to Nasscom, India will require at least 77,000 ethical hackers compared to the present figure of 15,000. So you can understand how is good to do ethical hacking.

Hello,
I hope you are doing well. You should join APPIN Technologies for ethical hacking and cyber security. They have courses made for those who are much interested.

No, there are no college which provide certificate about ethical hacking course, but it depends on your college whether it conduct seminar about ethical hacking through which you can get certificate or if you just want certificate than you could join any institute.

Dear Sarthak, check the link below to know the colleges you can get with this rank:
https://www.shiksha.com/b-tech/resources/upsee-college-predictor

Recommended skills:
Networking fundamentals
Familiarity with multiple versions of Windows
Familiarity with Linux is not necessary but recommended
Familiarity with VMware Workstation
Knowledge of Networking and Security
Recommended equipments
Host running VMware Workstation, that can support 64bit VMs. Related job functions
Network/System Administrators/Engineers
Security officers
Auditors
Security professionals
Site administrators
Those concerned about the security of the network infrastructure.

Yes, off course you can have a successful career in ethical hacking. If you have knowledge about it, then you can get a good career in it. See, your branch doesn't matter what matter is your talent and interest.

In 12th, you can take computer science as your 5th subject. After 12th, do your graduation in CS/IT.
Along with this, refine yourself in the field of programming.