Yes you have read it right! You can now use your 3G iPad in india even though the micro simcards are not yet available in India.
I myself have tried it and it works brilliantly. Its a simple process. Just follow the instructions below
1. In the picture below you can see a sim card.(assume its a mtnl 3G sim card)
4. Now your mtnl 3G sim card fits into the iPad 3G sim card holder.
5. Your done!! start using your iPad 3G in India.