Reliance Bigtv — did not receive big tv even after 45 days

Hi Team,
i have done Pre-booking of reliance Big TV over online on website https://www.reliancedigitaltv.com/home.html, My Booking ID is 14529365 and done payment of 499 RS and got confirmation email saying, Installation will be done with in 30 - 45 Days as on March 19th 2018, Till now there is no Communication about delay or in the news about this . Customer care does not able to provide any genius reason for delay. they are not doing installation as mention and not refunding money also. Help me get my money 499 RS refund as they are not giving any option for Refund. please help me file a case for this complaint .

Thanks,
Gunda Karteek

i have raised complaint on consumerhelpline.