Sony — Sony tv 32ex bravia

I have send several mails to sony india complaint forum as well as service head of sony tv, but till date i have not received any reply to my complaints my email is [protected]@gmail.com since more than months i have been sending mail as well as speaking with customer care nilima dharve gave ony assurance but no reply to my complaints when i wrote to head office through service head mail again assurance is given that regional office has been intimate4d that immediate action, but surprisingly no reply to my mails till date.