Tata Sky — Picture visible but offen voice struct

Address:

Chennai, Tamil Nadu

My name Raghunathan N. Regd. cell no.[protected] and id. No, [protected]. Two days before the problem is solved by your technician in my home. Today onwards the same problem arise that is, the colour of the picture fine but the voice and picture are strucking frequently. The english movie is running normal but tamil channel alone this kind of trouble happening. Kindly rectify the error . I am expecting to solve the quickly. thanks.