kindly note that I have changed my mobile billing from post paid to Prepaid also settled all the due payable to airtel on 26th of May & got new sim card for prepaid plan from airlte gallary Andheri east (Chakala ) but till now the outgoing & incoming for the same is not activated even I have refilled the same, kindly let me know the reason for delay also advise me when can I get my Deposit refund .