Autokast Ltd, a government of Kerala undertaking, is using its waste foundry sand to make eco-friendly and low-cost silica bricks. The unit is built with a capacity to produce 4,000 bricks per day.
Tarun Jami from Visakhapatnam started Green Jams, a company that creates Agrocrete, an alternative to concrete, from agricultural waste and industrial byproducts. Watch to know why.