I am using airtel services since 4 years. I have apply for prepaid to post paid conversation before 20 days through an agent. yet its not converted to postpaid services. i got post paid SIM card but its not activate yet. my prepaid SIM is yet working and i m using that only. i have submitted all required documents and complained regarding this to higher authority. but it doesn’t working. please take quick action to my complain. i need post paid connection.