Airtel — after porting - no network

Address:

Gautam Buddh Nagar, Uttar Pradesh, 201301

I have ported out of vodafone and it was approved by vodafone and the signal went off on 31st october 207 at 23:50. Inserted the airtel sim but there was no signal. I waited for the night but in the morning as well there was no signal. I am expecting some important calls as this is my official and personal number both.

It was mentioned that i had to wait 4 hours but its more than 12 hours now and the airtel sim doesn't displays any signal bars.