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

Bombay High Oil Field lies 60 km off Mumbai coast.
It was discovered in
The first oil well was Sunk in
It was discovered jointly by Russian and Indian teams.

The correct answer is (d). Bombay High Oil Field was discovered by a team of Indian geologists in 1973. It is located in the Arabian Sea, about 60 kilometers off the coast of Mumbai. The first oil well was sunk in 1974, and the field has been producing oil ever since. It is one of the largest oil fields in India, and it has played a major role in the country’s economic development.

(a) Bombay High Oil Field lies 60 km off Mumbai coast. This is correct.
(b) It was discovered in 1973. This is correct.
(c) The first oil well was Sunk in 1974. This is correct.
(d) It was discovered jointly by Russian and Indian teams. This is incorrect. It was discovered by a team of Indian geologists.