They claim they are calling from Reliance India call. But they are not. It is a unknown company. They will try to sell Phone card to india for cheap. After few research call is coming from relianceVoice.Com
They are trying to sell VDTelecom phone cards. But they pretend that they are selling card for Reliance India call.
I am using VDTelecom.com Since 1997 about 11 to 12 years. I never had any issues with their service or copmany at all. I found that it is better than Relianceindiacall, They should market with VDtelecom name only instead of using reliance name.