South Asia underwent three stages including Gondwana intercontinental rifting,Gondwana passive margin after continental breakup and collision between Indian plate and Eurasian plate and formed four types of basin that is peripheral foreland basin,passive continental margin basin,continental rift basin and cratonic basin.Petroliferous basins concentrate along the eastern and western margin of Indian continent with good petroleum geology.Oil and gas accumulates in the Paleogene,Neogene and Cretaceous.Scale an...