The Durga temple at Aihole, built about ______ years  ago.

1400

The correct answer is Option 4-  1400

The Durga temple at Aihole was built about 1400 years ago.

The temple was originally dedicated to the sun god Surya, but it was renamed the Durga temple in the 13th century after a fort was built on top of it.

The Durga temple is a fine example of early Chalukya architecture. It is known for its apsidal plan and its elaborate carvings.

The temple is a popular tourist destination and is protected by the Archaeological Survey of India.