Multiple choice What was the correct sequence of formation of the following states? Nagaland, Haryana, Arunachal Pradesh, Sikkim Haryana, Sikkim, Nagaland, Arunachal Pradesh Nagaland, Haryana, Sikkim, Arunachal Pradesh Nagaland, Arunachal Pradesh, Haryana, Sikkim Reveal answer Fill a bubble to check yourself C Correct answer Explanation Nagaland was formed in 1963, Haryana in 1966, Sikkim in 1975 and Arunachal Pradesh in 1987.