Yu Televentures Pvt. Ltd,90B Sector 18Gurgaon — Not recieving my mobile

Address:

121001

I gave them my mobile to display issue they said that they will change it in 15 days now it is almost one month no giving the details of issue i regularly call to customer care but they only say sorry nthey said we will arrange a call from senior in evening but i dont recieved any call till now i am paying my half phone bill to them by regulary call tem but they always lie i mail them but no response please help me it is giving me torture thank you jagjeet singh [protected]