You'll need to supply some supporting papers if you want to extend your tourist visa. Visa Extension for Tourists A copy of your visa, evidence of travel insurance, and proof of residency (rent agreement, utility bill, or FORM-C) are all required. A photocopy of the applicant's passport, a passport-size photograph, and a letter of request from the applicant are all required.
Farway.
https://farway.in/frro-x-visa-extension/