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The question asks for matching Aluminium Companies with their respective locations.
Option 1 proposes that BALCO is in Koraput, HINDALCO in Hirakud, Indian Aluminium Company in Renukoot and NALCO in Korba, which is incorrect.
Option 2 suggests that BALCO is located in Korba, HINDALCO in Renukoot, Indian Aluminium Company in Hirakud and NALCO in Koraput. This is the correct answer; each company is correctly matched to its location.
Option 3 indicates that BALCO is in Koraput, HINDALCO in Renukoot, Indian Aluminium Company in Hirakud, and NALCO in Korba, which is wrong as only HINDALCO is correctly located.
Option 4 lists BALCO in Korba, HINDALCO in Hirakud, Indian Aluminium Company in Renukoot and NALCO in Koraput; only BALCO is correctly matched in this case.
Each option was evaluated and Option 2 was found to be correct.