Arrange the following in chronological order:

(A) Death of Pt. Jawahar Lal Nehru.

(B) Military crisis broke out in East Pakistan (Bangladesh).

(C) Indira Gandhi became the PM for the first time.

(D) Introduction of Kamraj plan.

DACB

Chronological order:
Introduction of Kamraj plan-1963
Death of Pt. Jawahar Lal Nehru-1964 
Indira Gandhi became the PM for the first time-1966
The military crisis broke out in East Pakistan (Bangladesh)-1971