Petro-chemicals industry is one of the fastest growing industries of India.
Petro-chemicals are derived from petroleum or natural gas.
Indian Petro-Chemical Corporation has set up a huge petro-chemical complex near vadodara producing a wide range of products.
Besides Vadodara, Gandhar, and Hazira in Gujarat and Nagathone in Maharashtra are other important centres of petro-chemical industry.
India is self sufficient in the production of petrochemicals.
Crude oil has no value unless it is refined, while refining crude oil; thousands of products like kerosene, diesel, lubricants and raw material for petro-chemical industry are derived.
India has at present 18 refineries.
These refineries are at —
 Digboi, Bongaigaon, Nunamati (All are in Assam),
 Mumbai (two) (Maharashtra),
 Visakhapatnam (Andhra Pradesh),
 Barauni (Bihar),
 Koyali (Gujarat),
 Mathura (U.P.),
 Panipat (Haryana),
 Kochi (Kerala),
 Mangalore (Karnataka) and
 Chennai (Tamil Nadu)
The only private oil refineries belong to Reliance Industries Ltd. is located at Jamnagar (Gujarat).