The correct option is D Petro-chemicals
Petroleum is a mineral which is naturally occurring and consists of organic compounds viz. hydrocarbons. Chemical products derived from petroleum are called petrochemicals. The petrochemical industry is a mineral based industry which involves the production of petrochemicals using petroleum as major raw material. Major petrochemical classes are aromatics (such as benzene, xylene isomers, and toluene) and olefins (such as propylene and ethylene).