India is in the first position of spam calls revolution because in india the mobile companies like Idea, Airtel, Tata Docomo and many more companies will call five six times in a day for offering new offers, caller tunes and other facilities. This is the main reason that become india is in top position for spam calls matter.
2nd main important is the banks which are offering loans, insurances or other new facilities in form of messages or calls.
According to Truecaller India is ahead of countries like the Brazil, Chile with an average user receving over 22 spam calls a month. Which are shown Truecaller in a report. Incoming calls that were marked as spam by users flagged by its platform during January May considered.
During this period users receive almost 5.5 billion spam calls in a year.