According to the Ancient Monuments and Archaeological Sites and Remains Act 1958, any structure, sculpture, inscription, etc., which are in existence for no less than ___________ years is termed as ancient.

Correct option is A

Sol: The correct answer is (a) 100

Key Points:

• ​According to the Ancient Monuments and Archaeological Sites and Remains Act, 1958, any structure, sculpture, inscription, etc., which has been in existence for no less than one hundred yearsis termed as ancient.
  

Information booster:

Ancient Monuments and Archaeological Sites and Remains Act, 1958:

• Protects ancient monuments, archaeological sites, and remains of historical, artistic, or archaeological importance.
• Monuments/sites over 100 years old can be declared of national importance.
• Prohibits construction within 100 meters (prohibited area) and restricts activities within 200 meters (regulated area) of protected sites.
• The Archaeological Survey of India (ASI) is responsible for implementing the Act.
• Violators face fines and/or imprisonment for damaging or altering protected monuments.
• The Act was strengthened in 2010 to enhance protection measures and penalties.