In December 2017, it was revealed that the large telco Bharti Airtel made use of Aadhaar-linked eKYC (electronic Know Your Customer) to open bank accounts for their customers without their knowledge or consent. eKYC is a way of using data in the UIDAI database as part of the verification process, which Airtel made use of for the issuing of SIM cards, and also secretly opened bank accounts with their Airtel Payments Bank. More than 2 million accounts could have been opened, receiving more than…