Which of the following has now become a wholly-owned subsidiary of Mangalore Refinery and Petrochemicals?

• A. Gail Mangalore Petrochemicals
• B. ONGC Mangalore Petrochemicals
• C. Hindustan Petroleum Mangalore Petrochemicals
• D. Oil India ​Mangalore Petrochemicals
• E. NTPC ​Mangalore Petrochemicals