ABP news channel contest jeeto magar gyaan se contest

My name is Rajat home(9051337445).
I won a prize in abp news channel jeeto magar gyaan se contest .they called me on 19december 2015 and requested me to send them few documents to their given mail id.
I sent them within few mins.
And I also saw they shown my name and picture in their channel in the winners list on 19december evening .but still now they didn’t gave me the prize I won from this contest neither they replied my mails .
I tried to get in touch with them thru their social sites pages also (Facebook and twitter )but they didn’t have me reply also from there.
Seeking help from u .kindly help me.
Regards
Rajat home