Sony India — No response from service centre

Address:	Kanchipuram, Tamil Nadu, 600047
Website:	sony

I had purchased the sony smart watch 1 and half rear before from Flipkart, after 8 months display got problem so I handed over the watch in service centre and the told this is our issue so will provide the new watch. later they told we don't have same watch so will refund your money I agreed but, after that when I am asking the they are making excuses like It will take month and bla bla...
after month I called again same respone, sometime not picking call sometime giving someone number, so after 9 month finally they told come and collect your cheque when I went there again they said u will get watch same or upgrated watch...
Till now no response, the date I gave for servicing was 23/05/2015
one year about to complete very worst response...