In India, the practice of erecting megaliths began about ___________ ago.

The correct answer is 3000 years.

Key Points

• The practice of erecting megaliths began in India about 3000 years ago.
• Megaliths are large stones used to construct monuments or structures.
• The megalithic culture in India is said to have originated in the Deccan Plateau and spread to other regions.
• Megaliths were used for various purposes such as burial chambers, memorials, and astronomical observatories.

Additional Information

• The term megalith is derived from the Greek word 'megas' which means great and 'lithos' meaning stone.
• The stone boulders are known as megaliths (literally big stones).
• These were carefully arranged by people and were used to mark burial sites.
• The practice of erecting megaliths began about 3000 years ago, and was prevalent throughout the Deccan, south India, in the north-east and Kashmir.