Among the given options, the most populated state of India is Meghalaya as per Census 2011. The population of Meghalaya is 2,964,007, Goa is 1,457,723, Mizoram is 1,091,014 and of Sikkim is 607,688. Sikkim is the least populous state of India. The area of Meghalaya is 21,081km2 and its population density is 52/km2.