The correct answer is A. Sillimanite, nickel, petroleum.
Sillimanite is a type of aluminium silicate mineral that is found in metamorphic rocks. It is used in the manufacture of ceramics, glass, and refractory materials. Nickel is a metal that is used in the manufacture of alloys, batteries, and catalysts. Petroleum is a fossil fuel that is used to produce gasoline, diesel fuel, and other products.
Option B is incorrect because oil and coal are not found in Manipur. Option C is incorrect because iron, lime, and bauxite are not found in Manipur. Option D is incorrect because sillimanite, nickel, and petroleum are all found in Manipur.
Here are some additional details about the minerals found in Manipur:
- Sillimanite: Sillimanite is a type of aluminium silicate mineral that is found in metamorphic rocks. It is used in the manufacture of ceramics, glass, and refractory materials. Sillimanite is found in the Imphal Valley and the Churachandpur district of Manipur.
- Nickel: Nickel is a metal that is used in the manufacture of alloys, batteries, and catalysts. Nickel is found in the Tamenglong district of Manipur.
- Petroleum: Petroleum is a fossil fuel that is used to produce gasoline, diesel fuel, and other products. Petroleum is found in the Tamenglong district of Manipur.