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Which one of the following is the correct chronological order of the formation as full States of the Indian Union

Which one of the following is the correct chronological order of the formation as full States of the Indian Union?

(a)

Sikkim-Arunachal Pradesh-Nagaland-Haryana

(b)

Nagaland-Haryana-Sikkim-Arunachal Pradesh

(c)

Sikkim-Haryana-Nagaland-Arunachal Pradesh

(d)

Nagaland-Arunachal Pradesh-Sikkim-Haryana

Answer:

(b)

Explanation

Nagaland (1963), Haryana (1966), Sikkim (1975), Arunachal Pradesh (1987).