The correct answer is: Samra is going to say to the principal, "May we have your permissi0on to go on a study tour?"
The indirect speech is: "Samra is going to ask the principal for permission to go on a study tour."
The direct speech is: "May we have your permission to go on a study tour?" (This is a polite and formal way of asking for permission, which is suitable for a student asking a principal.)
The Cabinet Mission was formed at the initiative of Prime Minister Clement Attlee.
The Cabinet Mission was a three-person delegation sent to India in 1946 to discuss the transfer of power from the British government to the Indian political leadership, with the aim of preserving India's unity and granting its independence.