Correct Option is (2)

Foreign Direct Investment (FDI) refers to the investment made by individuals, businesses, or governments from one country into another country's economy. FDI is an essential indicator of a country's attractiveness to foreign investors, as it reflects the amount of capital that foreign entities are willing to invest in that country. 

China has historically been one of the top recipients of FDI globally. Its large and rapidly growing economy, a vast consumer market, and extensive infrastructure development have made it highly attractive to foreign investors.

India is another significant destination for FDI, primarily due to its large and diverse consumer base, a well-educated workforce, and a growing economy. 

Sri Lanka while not on the same scale as China or India, has seen FDI inflows in sectors like tourism, manufacturing, and infrastructure. 

Pakistan has also attracted foreign investment in various sectors, including energy, telecommunications, and manufacturing.