Trueroots, international calling service from Tata communications is running a promotion as part of its anniversary. These promotional offers begin Thursday August 21, 2008 at 08:30 a.m. EST and end on Monday August 25, 2008 at 08:30 a.m. EST.
You can do the recharge in denominations of $5, $10, $20, $50, $100. You can get Buy one get one free on these amounts. They charge right now 6.9 cents a minutes but right now there promotion is going on , for Buy One get One free. so you will end up paying just 3.49Cents per minutes and voice quality is really good . Credit appears right in the account. They have a Direct Dial ( Pin less service). It seems to be very good and less price than Reliance India Call. The voice is clear as well.
The validity period is as follows:
Your new account should be first used within 6 months from the date on your purchase. Once you have made your first call, your account is valid for 12 months. The validity period of your account is updated to 12 months every time you manually Recharge or Auto-Recharge your account