Airtel — non activation of sim no.[protected]u

Website:

www,airtel.com

My mob sim [protected]is a cug no. Of hp-kullu and want to port at delhi-ncr. My company given official order for porting this no. To my name (Niranjan kumar popli). Submitted letter to airtel outlet at luxmi plaza, rajendra nagar, sahibabad. They issued new sim[protected]u on dtd. 02-02-18 nd told to be activated within 7 days. But could not. After few days ms. Priya from airtel called nd provided agn new sim no.[protected]u on 27-02-18 but agn could not.in this reg mailed to [protected]@gmail.com severally but no outcome till date.
Kindly look into the matter and arrange to port my mob no. At the earliest possible.