Why we’re unable to stop the menace of spam calls, How can promotional calls be blocked?
A majority of mobile phone users receive unwanted or pesky calls and text messages even after having registered their numbers in the Trai's 'national do not call' registry, a survey report said on Tuesday. According to online platform Localcircles, 95 per cent people who participated in the survey said they get pesky…

I got a call from this number and Technical Computer something, When I told the man I was not interested he then said "Then You Can Go To Hell"?????How do I contact them and report them?