How to block irritating marketing spam calls, activate DND on Jio, Airtel, Vi
Are you fed up with repeated spam or pesky telemarketing calls that keep troubling throughout the day even during busy periods? Despite several measures by Telecom Regulatory Authority of India (Trai) in past few years, the problem of pesky telemarketing calls and messages has remained as it is.

Received a call from this number claiming to be an investigation unit about "Your husband was involved in a shooting," with directions to contact John Marrison. As soon as I called them, I realized that it was a total scam. The guy asked me if I got a voice mail or email..?! People on the background calling.. Heavy ascent.. No protocols followed..
I asked him right out if he is a scammer, and he hang up. Please be aware and do not waste your time on this as*holes. Period.