When did Lord Mountbatten announced the partition plan?

When did Lord Mountbatten announced the partition plan?

لارڈ ماؤنٹ بیٹن نے تقسیم کے منصوبے کا اعلان کب کیا؟
Explanation

In March 1947, Mountbatten was appointed Viceroy of India and oversaw the Partition of British India into India and Pakistan. 

The legislature representatives of the Indian National Congress, the Muslim League, and the Sikh community came to an agreement with Lord Mountbatten through "The Indian Independence Act of 1947"

This plan is known as the 3 June Plan or Mountbatten Plan.

This plan was the last plan for independence.

ND17-1-2023