Network coverage: Provinding best network coverage among the current competitive sevice providers. There was nothing as such as no network till now in my experience as I have been using this network for 6 years. one of the best mobile network operators and has been providing best services from the beginning.
Customer service: I use post paid service and they have clarified my bill cycle details whenever I emailed them. They give an immediate reply.
Charges and billing: I use CUG service so I feel it is better to opt when you got such services and it is very reasonable.