Correct Answer: (d) 23-March, 1943
Solution:The annual Session of the Muslim League was held at Lahore between 22-24 March, 1940, in the Presidentship of Mohammad Ali Jinnah, under which a resolution was passed, and it was demanded that a separate Muslim Nation 'Pakistan' should be formed apart from India. In commemoration of this day, the Muslim League celebrated Pakistan Day on 23rd March, 1943.