Reliance Bigtv — big tv set up box not received booking id[protected]

Address:

Bhiwani, Haryana, 127021

I have ordered big tv set up box on 1march 2018 and till date 06 September 2018 approximately 6 month to go I have not received.I pay 499 for pre booking and receive booking id is 12500273 and msg say ur set up box is install in 30 to 45 days.I have call to customer care but don't give better response. Please resolve my problem otherwise I have go to consumer court.