RAS question
Manganese, essential for steel production, is mainly produced in which Indian states?
Correct answer: (B) Odisha, Maharashtra, Madhya Pradesh, Karnataka.
Manganese ore in India is mainly produced in the Odisha, Maharashtra, Madhya Pradesh and Karnataka belt, which is why these states form the correct group for this RAS geography question.
Explanation
Manganese is tested with steel because the official Indian Bureau of Mines note calls it an essential input in steel making and later explains that it improves steel's strength, toughness, hardness and workability while acting as a deoxidiser and desulphuriser. Indian manganese occurrences include Madhya Pradesh's Balaghat-Chhindwara-Jhabua belt, Maharashtra's Bhandara-Nagpur belt, Odisha's Sundargarh-Ganjam-Koraput areas and Andhra Pradesh's Srikakulam-Visakhapatnam belt, while IBM state tables also include Karnataka among manganese states. Therefore, among the options, the only group that fits India's main manganese geography is Odisha, Maharashtra, Madhya Pradesh and Karnataka. Andhra Pradesh is also a recognised producer, but it is not part of the offered correct group.
Why the other options are wrong
- (A) Punjab, Haryana and Rajasthan are outside India's main manganese-producing belt; Rajasthan appears only as a minor-resource state, not as part of the principal producing group.
- (C) Kerala, Tamil Nadu and West Bengal leave out the core manganese states, especially Madhya Pradesh, Maharashtra and Odisha.
- (D) Assam, Meghalaya and Tripura are north-eastern states, whereas India's manganese geography is centred on central, western, eastern and southern Indian states such as Madhya Pradesh, Maharashtra, Odisha and Karnataka.
Concept
This tests the Indian economic geography of mineral belts, especially the location of non-ferrous and alloy minerals. RAS repeats such questions because mineral location links physical geography with industry, steel production and state-wise resource mapping.