I am using idea network from past 4 years their is no signal problem anywhere at any time while travelling also I am getting full signal but call cost was very high but we have many offers in idea in any mobile we can use idea there are many idea stores and we can recharge our idea through idea website I am very happy with idea. idea to idea offers are their at any place we will get voice clarity I like this idea network customer care also works fast if we have any doubt we can contanct them very fast and their is no charge for customer care bye bye guys