Step 1: Go to http://oasis.gov.in
Step 2: Click on "Renew Your Application".
Step 3: Choose your "district" and proceed.
Step 4: After that a log in area will come up and you have to put-
Type the captcha code
Step 5: After that click "Log In" button.
If you forget your username or password then you can click on this link to get your username or password http://oasis.gov.in/apps/portal/students/forgot_password
After log in in to your account you can able to renew your application