<Tr> <Th> Expansion </Th> <Td> Indian standard ins (Bureau of Indian Standards since Jan 1 1987) </Td> </Tr> <Tr> <Th> Certifying agency </Th> <Td> Bureau of Indian Standards </Td> </Tr> <Tr> <Th> Effective region </Th> <Td> India </Td> </Tr> <Tr> <Th> Effective since </Th> <Td> 1955 </Td> </Tr>

Isi mark can be seen on which of the following items