Match List I with List II. List I - Oil refineries located List II - state of India A. Koyali I. Kerala B. Barauni II. Assam C. Digboi III. Bihar D. Kochi IV. Gujarat ​Choose the correct answer from the options given below:

The correct answer is: A - IV, B - III, C - II, D - I. Key Points Oil Refineries (List I) State of India (List II) (A) Koyali (IV) Gujarat (B) Barauni (III) Bihar (C) Digboi (II) Assam (D) Kochi (I) Kerala Additional Information Koyali Refinery in Gujarat: Location: Koyali is located in the state of Gujarat, India. Significance: It is one of the major oil refineries in India, operated by Indian Oil Corporation (IOC). Function: This refinery plays a crucial role in processing crude oil and producing various petroleum products to meet the energy demands of the region. Barauni Refinery in Bihar: Location: Barauni is situated in the state of Bihar. Significance: Operated by Indian Oil Corporation, it is one of the oldest refineries in India. Function: The refinery is vital for the petroleum supply in Eastern India, contributing significantly to the region's economy. Digboi Refinery in Assam: Location: Digboi is located in the state of Assam, India. Historical Significance: It is considered the oldest operating refinery in India and one of the oldest in the world. Function: The refinery processes crude oil to produce various petroleum products, serving the energy needs of the northeastern region of India. Kochi Refinery in Kerala: Location: Kochi is situated in the state of Kerala. Significance: Operated by Bharat Petroleum Corporation Limited (BPCL), it is one of the major refineries in Southern India. Function: The refinery processes crude oil to produce various petroleum products, catering to the energy needs of the southern part of India.