Asus India — Customer Service and response

Address: 560100

My Name: Chandramouli Tiwari
Mobile no. [protected]
RMA Number INAW680760
Given my ASUS Zenfone-2 to service centre, promise to rectify the problem in 3 days still after a week no feed back and not lifting call, your customer care executive My Naveen and Ronak not given proper feedback and kept phone on mute for more than 10 mins..., VERY POOR RESPONSE
No feedback when to get my problem resolved