Which was an important turning point in the freedom movement of Muslims of Indo-Pak?

Which was an important turning point in the freedom movement of Muslims of Indo-Pak?

ہند-پاک کے مسلمانوں کی آزادی کی تحریک میں کون سا اہم موڑ تھا؟
Explanation

Cabinet mission arrived India: March 1946 

Cabinet mission sent by: British government