"Prem & Brothers" is a name associated with multiple distinct companies, primarily: 1. Prem Brothers (New Delhi): An established manufacturer and supplier of heavy-duty grinding, polishing, and dust control machines since 1951, known for its "Power Master" brand, located in Mayapuri Industrial Area, New Delhi. 2. Prem Brother International Pvt. Ltd. (Delhi): Also a manufacturer of grinding, polishing, and dust collection equipment, incorporated in 1982. 3. Prem & Brothers (Moradabad): A dealer of solar panels, specifically brands like Exide and Luminous, established in 1988.