History · Ancient Indian History

Which of the following are correct regarding water harvesting and management in the Indian subcontinent during the ancient period? A. The evidence of Canal irrigation has been discovered at Sanauli. B. The Great bath at Mohenjo-Daro has provisions for the supply of water and its outlets. C. The evidence of Check dams was discovered at Mehrgarh. D. The archaeological findings at Shortughai indicate the existence of a canal system. E. The excavation at Dholavira brought to light the evidence of a reservoir.