When hutch was called orange in Mumbai there was a certain scheme were you could have two numbers on the same SIM card,not sure if it exists anymore kindly check with Hutch.
Here's the link:
The Hindu Business Line : Two numbers in one SIM card MAY 2002- Orange, cellular service in the metro circle of Mumbai, has announced it will offer two different mobile numbers to customers on a single SIM card.
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But here's another online article:
Get 2 numbers on your mobile soon
You will soon be able to use both your business and personal mobile numbers from a single handset.
To be launched in 2007, a dual number service will be available on a single SIM card.
But both the connections will have to be from one service provider. The screen of a handset will display the receiver’s number and the caller's as well.In India, Ireland-based value-added services products company AePona is talking to operators like Bharti, BSNL, Reliance, Hutch and Idea to launch the service in the next 12 months.
The service promises to enhance ARPUs (average revenue per user) and reduce customer churn significantly. It can also work for both pre-paid and post-paid numbers simultaneously.Nokia is also believed to have developed the application, which is in the testing phase.
There are also mobile phones like the Daewoo DX20, which can carry two SIM cards. “
The dual number service, however, uses an application that's inserted in the network. So, when a call comes to either of the numbers, it is routed to the same SIM.
Source:
Get 2 numbers on your mobile soon