Airtel — having problem in changing mpin

Address:

Murshidabad, West Bengal, 742149

Hi, i am one of a customer of airtel service and i am having a problem is it,.. Myadhaar card has not the birthday date and month so i am having problem to get my mpin as when i am going to get new mpin i am unable to get because my aadhaar card has only the birth year. Please help me to find it.
My number is [protected]
And email address [protected]@gmail.com