Hello Aspirant

Documents required are

-identity proof

-resident proof like electricity bills

-copy of birth certificate

-passport size colour photograph

-prrof of applicant owing land

For application

https://edistrict.delhigovt.nic.in/

Use this link

Click on apply for certificates online

Now log in with user ID and password

Click on 'apply for services' option

Then click on apply

And at last submit.

If you have any further questions do ask

Thank you!