truecaller with Airtel

Here i show you with your smartphone how you can find who call you from where, if you want to Block that person you can Block by showing you on video above, like sometimes some companies call and make people irritate so you can easily Block that numbers then when they call you next time phone ring for a second the call disconnect automatically, and you will know how many people Block that number. And provide you information about Truecaller and Airtel collaboration.