Question: What was the name of the boundary created by the piece of legislation that led to the reason for the Pakistan Independence Day?

Independence Heights is a community in Houston, Texas, bordered by Crosstimbers to the north, Yale Street to the west, the 610 Loop to the south, and Airline Drive to the east.  The Super Neighborhood boundary created by the City of Houston is bordered by Tidwell to the north, Shepherd Drive to the west, the 610 Loop to the south, and Interstate 45 to the east. <SEP> Independence Day is annually celebrated on 15 August, as a national holiday in India commemorating the nation's independence from the United Kingdom on 1 August 1947, the UK Parliament passed the Indian Independence Act 1947 transferring legislative sovereignty to the Indian Constituent Assembly.  India still retained King George VI as head of state until its transition to full republican constitution.  India attained independence following the Independence Movement noted for largely nonviolent resistance and civil disobedience led by the Indian National Congress (INC).  Independence coincided with the partition of India, in which the British India was divided along religious lines into the Dominions of India and Pakistan; the partition was accompanied by violent riots and mass casualties, and the displacement of nearly 15 million people due to religious violence.  On 14 August 1947, the Prime Minister, Jawaharlal Nehru raised the Indian national flag above the Lahori Gate of the Red Fort in Delhi.  On each subsequent Independence Day, the prime minister customarily raises the flag and gives an address to the nation. <SEP>  It commemorates the day when Pakistan achieved independence and was declared a sovereign nation following the end of the British Raj in 1947.  Pakistan came into existence as a result of the Pakistan Movement, which aimed for the creation of an independent Muslim state in the north-western regions of South Asia via partition. Independence Day (Urdu: ‎ ; "Yaum-e Āzādī"), observed annually on 14 August, is a national holiday in Pakistan.  The movement was led by the All-India Muslim League under the leadership of Muhammad Ali Jinnah.  The event was brought forth by the Indian Independence Act 1947 under which the British Raj gave independence to the Dominion of Pakistan which comprised West Pakistan (present-day Pakistan) and East Pakistan (now Bangladesh).  In the Islamic calendar, the day of independence coincided with Ramadan 27, the eve of which, being Laylat al-Qadr, is regarded as sacred by Muslims. <SEP>  The Dominion of India is today the Republic of India, and the Dominion of Pakistan is today the Islamic Republic of Pakistan and the People's Republic of Bangladesh.  The "partition" involved the division of two provinces, Bengal and the Punjab, based on district-wise Hindu or Muslim majorities.  The boundary demarcating India and Pakistan became known as the Radcliffe Line.  It also involved the division of the British Indian Army, the Royal Indian Navy, the Indian Civil Service, the railways, and the central treasury, between the two new dominions. The Partition of India was the division of British India in 1947 which accompanied the creation of two independent dominions, India and Pakistan.  The partition was set forth in the Indian Independence Act 1947 and resulted in the dissolution of the British Raj, as the British government there was called.  The two self-governing countries of Pakistan and India legally came into existence at midnight on 14–15 August 1947.