You'd have to find them first.  Then you'd have to drag them out of India.   No chance of that.  Call blocker might help.

When they call me,  I simply say "yes"? "how are you today"? in my best sing-song Anglo-Pakistani accent and then simply put the phone down and see how long they will stay on the line.   Beats cussing them out because they just laugh at you.  They know they are bullet-proof.

Stop calling me....I guess these folks don't understand being on the "no call list"

The DNC list does not automatically block calls.  Instead, it provides a list of  "do not call" phone numbers to legitimate, registered telemarketers who pay a fee for the list.

The DNC list exempts political callers, survey organizations,  charities and companies with preexisting business relationships, but these organizations might have their own, internal Do Not Call list (ask them).

The DNC list  is not effective against criminals, spammers and scammers, because those people do not subscribe to the DNC list, and do not care if you are on or off that list.
Its purpose is to stop calls from legitimate telemarketers, and it does a pretty good job at that.  Just think ... if there were no DNC, you would be receiving incessant calls from BOTH legitimate and scam telemarketing callers!

Here is your reading assignment:
https://www.donotcall.gov/
http://www.ftc.gov/news-events/media-resource ... try/enforcement
http://www.ftc.gov/news-events/press-releases ... lemarketers-pay

Remember, the Do Not Call site is a good one to report unwanted calls from LEGITIMATE telemarketers.  The DNC list does not cover calls from criminal scammers & spammers.  To report those, visit https://www.ftccomplaintassistant.gov/  --- but they cannot do much against scammers calling from India.

If you receive calls even after reporting them (and waiting a sufficient time), then you should consider using a call blocker app, device or service as your first line of defense.  Google "call blocker" to see such things at Amazon or other sites.
http://gg.gg/blockers

I had a simular experience. I told him I didn't use our computer anymore. I put it in a box because I was spending too much time online and my husband gets angry. (lie) Left him speechless.