Robo sand is a fine aggregate made by grinding large boulders and rocks into smaller pieces. Since robo sand is artificially manufactured, it is also known as Crushed sand or Manufactured sand. Robo or M Sand is now used in all major building construction projects because it is a cost-effective and environmentally friendly alternative to river sand. We deliver the best quality robo sand at your construction stage with free delivery. Get M sand price in Varanasi.