The missed call numbers are already shared in another thread and these topups are not added in Airtel app or selfcare. I am not subscribed to this offer either so there is no way for me to know the codes. Those who have subscribed can extract the codes from their app's data folder and post it here.
Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website. For the best site experience please disable your AdBlocker.