Is it possible to change caste after marriage?

As per the Supreme Court, a person cannot change his/her caste and it cannot be changed even after marriages rather change their religion. Documents required for religion change are:
Identity Proof (Pan card or Driving License or Passport or Aadhar Card or Voter ID)
Address proof (Aadhar Card or Electricity Bill)
Photo proof (One Passport Size Photo)
Application Form i.e. duly signed application form with all details of the old and new religion, old name, present address, contact details and the reason for religion change.