With the above arrangement, calls within a State in the above-mentioned four States would be treated as intra-service area call for the purposes of routing as well as Access Deficit Charges (ADC). The dialling procedure for calls within a State for these States would also be simplified i.e. dialling of mobile-to mobile subscribers and fixed-to-mobile subscribers would be without prefixing ‘0’. [/b]
Thats what the Lady whom I spoke to said, TRAI order does not mention anything about sms charges and so Hutch can fix sms charges within the prescribed ceiling.
Your's is a different case bec all ur local calls are @0.5/min so you can give them a tough fight regarding call tariff. In prepaid as they said they are charging local calls within Maharashtra but promotional offers can be regulated by them, i.e hutch to hutch calls @30p/min is a promotional offer and so they can limit it to only hutch mumbai numbers....
EDIT: I guess u are on Full Value 299 plan, on that plan also it says Calls to local Hutch phones @50p and all other local mobile phones is 1.69/min but thats cheating because Hutch Mumbai and Hutch-MS is one circle now and according to it Hutch (MS) should be charged at 0.5/min instead of 1.69/min...