Reliance Industries Limited (RIL) is a conglomerate with business in the energy and materials value chain. The Company operates in three segments: petrochemicals, refining and oil & gas. The petrochemicals segment includes production and marketing operations of petrochemical products namely, polyethylene, polypropylene, polyvinyl chloride, poly butadiene rubber, polyester yarn, polyester fibre, purified terephthalic acid, paraxylene, ethylene glycol, olefins, aromatics, linear alkyl benzene, butadiene, acrylonitrile, caustic soda and polyethylene terephthalate. The refining segment includes production and marketing operations of the petroleum products. The oil and gas segment includes exploration, development and production of crude oil and natural gas. Its others segment includes textile, retail business, special economic zone (SEZ) development and telecom / broadband business. During the fiscal year ended March 31, 2012, RIL further increased its interest to 18.53% in EIH Limited.