Andhra Pradesh government has revived the petroleum, chemicals and petrochemical investment region (PCPIR) project along the Bay of Bengal coast between Visakhapatnam and Kakinada to attract investments to the tune of Rs 2 lakh crore to make the state the largest petrochemical hub of the country.Two big-ticket projects have been lined up as anchors for the PCPIR in Kakinada with an aggregate investment of over USD 15.72 billion.The PCPIR would be developed in three majorzonesVisakhapatnam, Nakkapalli and Kakinada spread over a 640 sq km area, a top official said.While the region currently has a mix of petrochemicals, steel, metallurgical, textile and food processing industries, the government plans to bring in non- metallic, mixed and non-polluting industries apart from petroleum refineries.Haldia Petro Chemicals would set up a refinery in the Kakinada Special Economic Zone with an investment of USD 11.43 billion to serve as the anchor unit with supply of required feedstock.