The government declared the 3rd June Plan in which it was decided to partition of the sub-continent. Punjab & Bengal were to be divided on the grounds of Muslim majority and Hindus majority areas.
When all of Mountbatten’s efforts to keep India united failed, he asked Ismay to draw a plan for the transfer of power and the division of the country. It was decided that none of the Indian parties would give review to it before the plan was finalized.
The British government finally decided to divide the country into two separates states after all the efforts of keeping Hindus and Muslims together in a single state went in vain. Lord Ismay, the Chief of Staff of Lord Mountbatten, was asked to frame the partition plan of India. Though the plan was deliberately kept secret from the Indians yet Nehru grabbed the chance of seeing the plan before it was put before the Indians. The British Government approved the Plan and sent it to India in May 1947.
In 3rd June 1947 was an intricate one. It covers the whole sub-continent. The government took final decision to divide it into 2 independent states & the principal of the partition was accepted. There are 635 states in the sub-continent. Nawab and Raja’s ruling over their areas and people with internal sovereignty and external were ruled by British government. Therefore, there all states hare full power to choose whatsoever they want India or Pakistan.
The British government got the approval of parliament on 18th July 1947 to divide the sub-continent into the two countries. The law was framing in the light of the 3rd June plan. Pakistan got the independent sovereign status on 14th august 1947 and Bharat on 15th august 1947.