Idea Cellular — after successful porting didn't get network from idea

Dear sir, My cell number is [protected], I m porting from Tata docomo to idea on 25.12.2013 (My port number is -TX948847) and previous company will take back network on 31.12.2013 at 10.30 pm. Afterwords I put your blank sim card on my mobile and waiting your network.but till I not get any network so what is the problem to providing your network, AND when i geeting, this number is very important to me so kindly help meThanking you