Sangla valley, Uhl, river Beas are famous for

Brown trouts
Rainbow trouts
Mahseer
Both (A) and (B)

The correct answer is D. Both (A) and (B).

The Sangla valley, Uhl, and river Beas are all famous for their trout fishing. Brown trout and rainbow trout are both popular game fish in these waters.

Brown trout are a type of salmonid fish that is native to Europe, Asia, and North America. They are typically brown or olive in color, with a mottled pattern on their backs. Brown trout are anadromous fish, meaning that they spend part of their lives in freshwater and part of their lives in saltwater. They are known for their fighting spirit and are considered to be a prized catch by anglers.

Rainbow trout are a type of salmonid fish that is native to the western United States and Canada. They are typically silver or blue-green in color, with a red or pink stripe along their sides. Rainbow trout are anadromous fish, meaning that they spend part of their lives in freshwater and part of their lives in saltwater. They are known for their beautiful coloration and are considered to be a prized catch by anglers.

The Sangla valley, Uhl, and river Beas are all located in the Indian state of Himachal Pradesh. These areas are known for their stunning scenery and their abundance of trout fishing opportunities.