InFocus — Infocus m350 speaker problem

Address:

Paschim Medinipur, West Bengal, 721517

I gave my infocus m350 phone to accel frontline global it services (address-
Name : video plaza
Address : ward no. 8, p. s-kotwali, bibigung, dist-paschim, medinipur, west bengal.
Contact person : pallb kumar singha / durgapada
Phone number : [protected]/[protected]/[protected]/[protected]
Working hours : monday to saturday: 10.00 am to 6.30 pm).

I bought the mobile phone from snapdeal on 8th august, 2015 and it's imei number is [protected]. they had taken my phone on 27/06/2016 which is in warranty and they gave me a receipt. they said me that they will give me my phone between 4 days but i did not get my phone after 10 days. they are giving me date and date in every week and making me harassment. till now i do not get my phone. please sir take a serious action to gate my phone...