After the merger of Air India and Indian Airlines, the new entity is now known as

The correct answer is (c) Air India.

Air India is a state-owned airline of India. It is the largest airline in India by fleet size, international destinations and international passengers carried. The airline was founded in 1932 as Tata Air Lines, and was renamed Air India in 1946. In 2007, Air India merged with Indian Airlines to form the new Air India.

Indian Airlines was a state-owned airline of India. It was founded in 1953, and was merged with Air India in 2007 to form the new Air India.

Indo-Air is a private airline of India. It was founded in 2006, and ceased operations in 2011.

Air India is the only airline among the three options that is still in operation.