Airtel has given a contract to IBM to deploy a blockchain-based pan India anti-spam call solution. In July 2018 the TRAI introduced new regulations which aim to curb the menace of unsolicited commercial communication (UCC). Airtel and IBM are expected to follow TRAI’s new regulation which can come into effect before the end of this month. Airtel’s aim to protect 284 million subscribers from pesky calls and messages.