Indian law, explained from the source.
Do not pay, keep the evidence, and report it. Online blackmail, including sextortion with private photos or videos, is a serious crime in India, and you can report it to the cyber crime portal, including anonymously.
Fraudsters use SIM cards issued on stolen documents for scams. The government's Sanchar Saathi portal shows every mobile connection in your name and lets you report the ones that aren't yours.
Act fast. Use the platform's own recovery process, warn your contacts, secure your email and phone, and report to the cyber crime portal if the hacker is impersonating you or demanding money.
You can see every time your Aadhaar was used for authentication, lock your fingerprints and iris so no one can use them, and report misuse to UIDAI on 1947 and to the cyber crime portal.
Call 1930, report on cybercrime.gov.in and tell your bank in writing, fast. RBI rules limit what you lose if you report an unauthorised transaction within three working days.