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Indian Geography
Fundamentals of Indian Geography
Q. 'Black Gold' refers to (Solved)
1. Coal
2. Petroleum
3. Gold
4. Diamond
b. Petroleum
Related Topics
→ Indian Agriculture and Animal Husbandry
→ Indian Minerals and Industries
→ Indian Rivers, Lakes and Water World
→ Indian Soil, Seasons and Natural Vegetation
→ Indian Transportation Communication, National Parks and Sanctuaries
→ Physiology of India
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