The correct answer is (a). Umiam Lake is located near Shillong, the capital of Meghalaya, India. It is a popular picnic spot and a great place to enjoy the scenery and the outdoors. The lake is surrounded by hills and forests, and there are several hiking trails in the area. It is also a popular spot for fishing and boating.
Option (b) is incorrect because Tura is located in the West Garo Hills district of Meghalaya, while Umiam Lake is located in the East Khasi Hills district.
Option (c) is incorrect because Jowai is located in the West Jaintia Hills district of Meghalaya, while Umiam Lake is located in the East Khasi Hills district.
Option (d) is incorrect because Cherrapunji is located in the East Khasi Hills district of Meghalaya, but Umiam Lake is located in the East Khasi Hills district.