Aircel is my only number.Though I keep for all official purpose my one of my mother's numbers as she keeps her cell safe.
Btw is taking new connection possible without giving bio-metric like calling 145446. Biometric match fails for me as I have feeble prints.
Available but you hv to add aadhaar anyway before march otherwise you cannot recharge according to supreme court order, BTW you can also use other fingerprint instead of thumb if thumb is creating problem