Correct Answer: (c) Arunachal Pradesh, Mizoram, Sikkim and Nagaland
Solution:As per Census 2001, the five States with minimum population density of India were: Arunachal Pradesh (13), Mizoram (42), Sikkim (76), Manipur (97) and Jammu-Kashmir (100). According to the Census 2011, the five States with minimum population density are as follows: Arunachal Pradesh (17), Mizoram (52), Sikkim (86), Nagaland (119) and Himachal Pradesh (123).