Sony 21inches TV — Authorized Dealers Complaint

Sir
In the month of October 2008 I complaint to Sony Authorize Service Centre (Instant Solution Rajouri Garden Delhi Contact Person Pritpal Singh Cell No. [protected])
Mr. Pritpal Sing Came to my house and said that he will solve the problem of my TV Set
He took away my Tv Set to service centre and after one week he gave me my tv set after repairing and Charge Rs 3200/- for service and said that he will send cash memo by courier. But after 2-3 days the problem of tv fault again same as usual.
from that day he nevevr attend our call
Please do necessory action on Service Centre as wel as Reprentative Prit Pal Singh