well, the New Age link is from 2011.....
regarding the Indian publication, have seen it before, but its difficult to trust..... the IPVs are said to be 27.5, 18kts, 2x14.5mm m.g.s.... whereas, in reality, the Padma-class is 50.4m, 23kts, with 2x37mm and 4x20mm guns.... and then 46m corvettes...