The correct answer is: a) East Khasi Hills.
East Khasi Hills is the most populous district in Meghalaya, with a population of 2,435,420 as per the 2011 census. It is located in the central part of the state and is bordered by West Khasi Hills district to the north, Ri-Bhoi district to the east, West Garo Hills district to the south, and Bangladesh to the west. The district is home to the capital city of Shillong.
The main languages spoken in East Khasi Hills are Khasi and English. The majority of the population is Christian, followed by Hinduism and Islam. The main occupation of the people is agriculture.
East Khasi Hills is a beautiful district with a rich culture and history. It is a popular tourist destination, known for its scenic beauty, wildlife, and cultural heritage.
The other options are incorrect because:
- b) West Garo Hills is the second most populous district in Meghalaya, with a population of 1,438,252 as per the 2011 census.
- c) Ri-Bhoi is the third most populous district in Meghalaya, with a population of 638,970 as per the 2011 census.
- d) East Jaintia Hills is the fourth most populous district in Meghalaya, with a population of 525,265 as per the 2011 census.