The correct pair of Indian petroleum producing area and its location is

In which of the following State of India 'Koyali' petroleum refinery is located?

Which one of the following facts about Bombay High Oil Field is not correct?

The Noonmati Oil refinery is located in the State of

Which one of the following Oil Refineries is not located in Assam ?

Which is the oil refinery having maximum capacity in India ?