Bis Certification For Multi-burner Oil Pressure Stoves Multi-burner oil pressure stoves are widely used for domestic and commercial cooking, as they are efficient in handling multiple burners simultaneously. As per IS 2787:2006 prescribed by the Bureau of Indian Standards, BIS certification is mandatory for these stoves, for manufacturing, import, export and sale in the Indian market. IS 2787 IS 2787:2006 specifies the design, materials, safety requirements and performance testing for multi-burner oil pressure stoves. Under the Bureau of Indian Standards Act, 2016 and related rules and regulations, manufacturers of these stoves must obtain certification under IS 2787 and label their products with the ISI mark to ensure compliance with safety and quality standards.