RAS question
The Chotanagpur Plateau's Damodar River valley is famous for:
Correct answer: (B) India's premier coal belt (Jharia, Raniganj).
The Damodar River valley of the Chotanagpur Plateau is famous as India's premier coal belt, including the Jharia and Raniganj coalfields.
Explanation
The Damodar valley in the Chotanagpur Plateau is identified with India's leading coalfield region, not with plantation or precious-stone mining. Jharia, Raniganj, Bokaro and Giridih fall in this coal belt, with Jharia noted as India's largest coking coal field. Central Mine Planning & Design Institute Limited, India CMM/CBM Clearinghouse refers to the Damodar valley coalfields and names Jharia and Raniganj among coalfield blocks linked to coal-bed methane development. That is why the option pointing to India's premier coal belt, especially Jharia and Raniganj, matches the valley's standard economic-geography identity. The old tag of the Damodar as the River of Sorrow belongs to its flood history, not to the economic use being tested here.
Why the other options are wrong
- (A) Gold mining does not identify the Damodar valley coal belt; the question associates gold mining with Kolar in Karnataka instead.
- (C) Tea plantations are not the characteristic activity of the Damodar valley; the alternatives place them in Assam, Darjeeling and the Nilgiris.
- (D) Diamond mining is not the Damodar valley's marker; that association belongs to Panna in Madhya Pradesh.
Concept
This tests Indian economic geography: matching a physiographic region and river valley with its dominant mineral belt. RAS repeatedly asks such map-based associations because they connect plateau relief, river valleys and resource distribution.