Which of the following States has no oil refinery?

Oil refineries are typically located near oil production centers or coastal areas for easy import/export.

• Gujarat: Has several refineries, including the massive private sector Reliance refinery in Jamnagar and the public sector IOCL refinery in Koyali (Vadodara).

• Kerala: Has the Kochi Refinery, which is a prominent crude oil refinery in southern India operated by Bharat Petroleum (BPCL).

• West Bengal: Has the Haldia Refinery, operated by Indian Oil Corporation Limited (IOCL).

• Chhattisgarh: It is a landlocked state rich in minerals like coal and iron ore, but it does not have any crude oil refineries.