First You Will Have Google id If You Not Have Then Click Below Link to Create New Google or Gmail id
For More Information Create Google id Click Here
1.
https://accounts.google.com/SignUp
2.
After you Sign Up Verify Your Mobile Number .
3.
Open Youtube.com Click sign Up Then You automatically Sign Up
After Sign in
4.
Upload Your 3-5 own Videos on youtube
5.
Click Channel And then Verify Your Channel Using your Mobile
6.
Click Enable monetize Then Click Apply Google Adsense
After A Day your Account Approved
