The correct answer is: a) Mawsynram.
Mawsynram is a village in East Khasi Hills district in the Indian state of Meghalaya. It is located about 65 km from Shillong, the capital of Meghalaya. Mawsynram is known as the wettest place on Earth, with an average annual rainfall of 11,871 mm (467.4 inches). The village receives most of its rainfall from the monsoon rains, which occur from June to September.
Cherrapunji, also located in Meghalaya, is the second wettest place on Earth, with an average annual rainfall of 11,677 mm (460.1 inches). However, Mawsynram has received more rainfall than Cherrapunji in every year since 1985.
Shillong is the capital of Meghalaya and the third wettest place in India, with an average annual rainfall of 1,278 mm (50.3 inches). Jowai is a town in East Jaintia Hills district in the Indian state of Meghalaya. It is located about 100 km from Shillong. Jowai receives an average annual rainfall of 1,100 mm (43.3 inches).
In conclusion, the wettest place on Earth is Mawsynram, a village in East Khasi Hills district in the Indian state of Meghalaya.