Not sure if anyone has found any cheap ways to call to India, but I heard about foocall app which uses your mobile minutes to make your international call over local number, and foocall charge 1p per minute to call India. Their blog say 1p during Deepavali, and I know it normally 1.5p which is still brilliant I say. I am in UK with UK mobile and complete novice on this stuff so anyone can help would be much appreciated.