Read the passage and answer the question:

The most wonderful ancient buildings in the state of Bhopal are at Sanchi Kanakhera, a small village under the brow of a hill some 20 miles north-east of Bhopal which we visited yesterday. We inspected the stone sculptures and statues of the Buddha and an ancient gateway … The ruins appear to be the object of great interest to European gentlemen. Major Alexander Cunningham … stayed several weeks in this neighbourhood and examined these ruins most carefully. He took drawings of the place, deciphered the inscription, and bored shafts down these domes. The results of his investigations were described by him in an English work …

When was Sanchi declared a World Heritage Site?

1989

The correct answer is Option (3) → 1989

1989- Sanchi was declared a World Heritage Site.