Recently TATA DOCOMO launched its GSM services. It will be charging its customer for making outgoing calls on the per second basis. So if you make a call from your TATA DOCOMO and the call lasts for 20 seconds, you pay for only 20 seconds. If you want Calculate how much you will be saving every time you will make call from your TATA DOCOMO connection then please visit this link 
Calculate how much you can save with TATA DOCOMO
Recently TATA DOCOMO launched its GSM services. It will be charging its customer for making outgoing calls on the per second basis. So if you make a call from your TATA DOCOMO and the call lasts for 20 seconds, you pay for only 20 seconds. If you want Calculate how much you will be saving every time you will make call from your TATA DOCOMO connection then please visit this link