Domestic Gas Stoves' BIS certification licence for usage with PNG guarantees conformity with IS 17153:2019, so ensuring safety and performance criteria. Manufacturers have to apply via the BIS portal manakonline, send necessary paperwork, and have their product evaluated in a lab accredited by BIS. One could check compliance by means of a factory inspection. Products can have the ISI mark applied once approved. Usually taking three to six months, the procedure calls for regular renewal. Safety for consumers and quality assurance depend on BIS certification. Frequent audits and testing support compliance with Indian safety standards and preservation of certification validity.