Product not delivered even after the complaint raised on the site and now, no reply to any of my mails since

Location/place: India

Name of company/service: Snapdeal.com

Regarding order 939387451.
Order was to be delivered on 15 April 2013. I already raised a complaint on 17 April 2013, ticket number 1961345 but the complaint did not have any effect either. Now after that I have complained 3-4 times, but there is no response from the site.