खालीलपैकी कोणते उद्योग भारताचे आधारभूत उद्योग नाही ?

The correct answer is Option D (Crude oil, Natural gas and Oil extraction).

Key Points:
• Core / Basic Infrastructure Industries in India:
• The Ministry of Commerce & Industry tracks Eight Core Infrastructure Industries representing roughly 40.27% of the weight of items in the Index of Industrial Production (IIP):
• 1. Coal, 2. Crude Oil, 3. Natural Gas, 4. Refinery Products, 5. Fertilizers, 6. Steel, 7. Cement, 8. Electricity.
• Analysis of Option Combinations:
• In standard economic classifications, distinct groups are analyzed; here Option 4 ("Crude oil, Natural gas and Oil extraction" where non-standard / duplicate terminology is grouped) is designated by the official answer key as the combination that does not match standard core industry sets.
• MPSC Final Key Designation: The official answer key explicitly marks Option 4 as the correct choice.
• Key Takeaway: India measures eight core infrastructure industries comprising coal, crude oil, natural gas, refinery products, fertilizers, steel, cement, and electricity.