Muslim League observed the ‘Direct Action Day’ on
Here is how I remember it. Muslim League observed the ‘Direct Action Day’ = 16th August, 1946. That is it. In Formation of Interim Government (1946), this pair is famous. I tell students to learn it as one line, not as a big theory. If you do that, this question takes only a few seconds.
Ref: [UP UDA/LDA (Pre) 2010 UPPCS (Spl)(Mains) 2008 UPPCS (Mains) 2007] | Bipan Chandra, India's Struggle for Independence, and NCERT History textbooks discuss Formation of Interim Government (1946) and explain the events, leaders and movements that support the correct answer for this question.