Fly ash bricks, also known as fly ash cemented bricks, are eco-friendly building materials made from coal combustion residuals. These bricks utilize fly ash a byproduct of thermal power plants mixed with cement or lime and water, then compacted and cured through a chemical process. Raj Mineral, a manufacturer of fly ash bricks in Udaipur, specializes in producing high-quality fly ash bricks with stringent quality control and eco-conscious manufacturing practices.