Lenovo — I am complaining about lenovo service

Address:

Guntur, Andhra Pradesh, 522002

I bought just lenovo k6 note one month back and placed in the service center with in 15 days but now it was in the service center from 7-2-2017 till now no response from them my display is gone . already call to the customer care regarding this . no response from my service center which is located in guntur. the name of the service Center is vasavi associates . my mobile complaint number is SOIN[protected]. if there is any possibility of refund of money can u please help me. next time in my life time i never recommand these worst company phone to any one.