Airtel Postpaid
Not changing my connexion to prepaid

I am having airtel postpaid no 9816020001on the adress ishtpalsingh h.no1469 muslim trust building lower bazar shimla-1.iwant to convert my connextion to prepaid but ur executive sitting at connexion arcade the mall shimla arenot converting my number to prepaid .as per trai rulling we can our plan.