Xolo — XOLO 8X play 1100 : issues with Battery, MIC, Screen touch, Phone heating

I was facing some problem with my XOLO phone which was give at authorised XOLO service centre and I got it back (that time it was working fine). But again in few days o[censored]sing the same problem has occurred again. I was not at all satisfied with the serviced. The following problems are again occurred as at the first time and same now. Battery MIC Screen touch sometimes doesn’t work Phone heating problem Now please suggest me what I should do with this. If this is the 3rd time I am facing this problem.