Airtel — No recived bundle offer

Address:

Srinagar, Jammu and Kashmir

My name is Irfan & my airtel no ([protected]) sir, i bought new cellphone Sumsang Galaxy grand 2 with offer of double data on 3g for 2 months. i complained Airtel and to retailer also but the data plan is not activated up till now. wat shud i do to get benefits of data plan and personal Id ([protected]@gmail.[protected]@gmail.com) please help me...|