I got a new prepaid connection from Airtel ([protected]). After it was activated, I bought a recharge voucher for RS.216 from a reseller in Ardee City, Sector 52, Gurgaon, but their system did not accept the voucher. I went to an Airtel outlet in Galleria Market, DLF Phase IV, Gurgaon, and even they could not get the voucher to work though the voucher was found to be valid by the Airtel 121 service.
The Airtel outlet in Galleria...