If you are using BSNL then I am going to suggest you the best BSNL plan. It includes Data, SMS, Local and STD Seconds for 30 days. I am talking about plan Rs 125/. It gives
177 Minutes - Voice Calls for any Network from Home Area
200 MB - 3G Mobile Data to be used from all BSNL Service Areas
100 SMS - Local STD all N/W from Home area & Roaming.