Airtel — activated sim as postpaid instead of prepaid

Address:	Lucknow, Uttar Pradesh
Website:	Airtel store

I reached to airtel store alambagh lucknow. I want port my sim in airtel prepaid. An employee (Honey singh) i met there. I told him to port my sim in airtel prepaid then he was suggested me take a postpaid sim instead of prepaid but i refused and again told him that i want prepaid after that he was continuing to tell me about the plans of postpaid, i refused then he port my sim just by taking a thumb impression and take a charge 250 ₹. I thought that he port my sim to prepaid as i said but when my sim is activated i came to know that it was postpaid then i call him to told why u port my sim to postpaid. He said sir i take ₹250 from u which was postpaid charge how i know it was postpaid charge then he told me i was telling u the plans of postpaid. So if he tells me the plans then what is my fault. Now he was telling me to pay bill till 4 months then it was changed to prepaid otherwise close the sim. How i close the sim it was my important number and why i pay the bill it was not my fault as u see.