Cheap call offers on Diwali from Tpad and Yahoo Voice

Diwali News: Tpad (http://www.tpad.com/), a VoIP provider slashes 30% off all worldwide call charges on November 07th and 8th for the celebration of the Diwali. The normal call rate for India is 0.007 USD per min, after 30% Discount the call would cost 0.049 USD, But it is not the cheapest one. To make this cheap call you have to buy a minimum of $5 Tpad call credit. , If somebody is already