Correct Answer:
A. 7 Aug 1947
The correct answer is 7 Aug 1947. Quaid‑e‑Azam Muhammad Ali Jinnah arrived in Karachi on 7 August 1947 from London via a Pan American Airways flight. He was accompanied by his sister, Miss Fatima Jinnah, and other close associates. Upon his arrival, he was given a grand welcome at the Karachi airport. Jinnah had been in London for final discussions with British officials regarding the partition and the future of Pakistan. He later addressed the Constituent Assembly of Pakistan on 11 August 1947, where he outlined his vision for the new nation. The options 8 August, 10 August, and 11 August are incorrect dates.