As we know 3G auction will be completed in next three months then you can access Internet at speeds up to 3.6 Mpbs with Airtel 3G USB modem.
Airtel 3G Data Card Price in India – Rs. 3,499/- Indian Rupee (INR)
Airtel 3G USB modem is available in both prepaid and postpaid tariff. It will take minimum 6 months to enjoy full freedom of 3G but if you are very eager to use 3G data card then we suggest you to try MTNL or BSNL 3G data card.
For tariff and Price info you can contact your nearest Airtel Relationship centre.