Intex Technologies — mobile is dead, the repair center has not been repaired for two months

Address:

731201

Respected sir,
I am sk najimuddin address at batspur, birbhum, pin no. 731201, west bengal. I was buying an intex mobile on 18/8/2018.
Model no.
Handsets / xc85942 / intex hsn 85171290. [protected], [protected]. The switch was off for that mobile on 7/12/2018. Then the mobile was taken to the intensive service center[protected] on 10/12/2018. They received my mobile and asked me to go after twenty days. I go there twenty days later, but they say that there is still no mobile repair, ten days later.
That way i was going through a successive date, i still could not find the mobile. It's been two months today.