HP India — HP back to college offer not received

Address:

Patna, Bihar

My redemption code: 90005573.i had bought an hp notebook: HP 15-r204TX Notebook PC with serial number-CND507169T and had applied for hp back to college offer on 24th june 2015...i had been told that i would receive my products by 26th july...but i have still not received one of the product namely-headset and wireless mouse.its been over 3 months. i am frustrated of writing you emails but i dont receive any reply. please refund the amount if you cant provide the product to my address.