This is my first cellular network, I have used this almost 5 years back. we will get network mobile signal any ware in india. But while compared to offers this network has much cost. Its newly launched 3G & 4G netwoks are very fast. and present im using Airtel broadbang in my room we are using this from almost 2 years. this is some what higher cost compared to other broadband, but here they gave land line with unlimited local and std call. this is the best thing I have seen in airtel, no one can give this offer.
Finally if you want best network coverage without signal breakage choose airtel.