When did East Punjab in India cut off the flow of canal waters to West Punjab in Pakistan...? Mcqs

When did East Punjab in India cut off the flow of canal waters to West Punjab in Pakistan...?

(A) 1, February 1948

(B) 1, March 19148

(C) 1, April 1948

(D) 1, May 1948

Source: This question is taken from the Pak studies