ISI Mark (Bureau of Indian Standards), Energy Saver Base more energy efficient than ordinary pressure cookers, Anti-Bulging it prevents the cooker's bottom from bulging or wraping, Unique Gasket Release System (GRS) conforming to British Standard, A repeatible safety device works in case of unsafe pressure inside the cooker, Double locking system for safety, Extra thick rim for better safety, Extra thick bottom for durability, Extra thin walls for higher heat transfer effciency, Non toxic synthetic SILICON rubber for longer life (need not to be changed for years), Foodgrade lead free virgin aluminium as per IS:21 of ISI, Fusible safety plug work for complete safety in case of unsafe pressure inside the cooker, Long-lasting Stainless Steel Vent Tube for proper cooking for years, Stainless Steel Bracket, Cool impact tolerant bakelite handle, Outer Lid Model for wider cooking space