Dear aspirant hope you are doing well...

TO apply for MNSSBY(Bihar Student Credit Card online)...

• Click on 'New Applicant Registration'

https://www.7nishchay-yuvaupmission.bihar.gov.in/

• Fill in the details and click on 'Send OTP'
• Enter the OTP received on your mobile number/email ID and click on 'Submit'
• You have successfully registered yourself. ...
• Login using the credentials received via SMS/email .

Hope it's helpful

Thank you