<P> In 1941, the Punjab Weights and Measures act provided a sense of uniformity . In 1956, Government of India passed a Standards of Weights and Measures system to introduce metric system based on Punjab Act . The metric would begin in October 1958, making metric weight mandatory by October 1960, and the metric measures mandatory by April 1962 . </P> <P> In 1956, for metric conversion, the Government of India defined the Standards of Weights and Measures Act (No. 89 of 1956, amended 1960, 1964) as follows: </P> <Table> <Tr> <Th> Indian System </Th> <Th> British / troy System </Th> <Th> Metric System </Th> </Tr> <Tr> <Td> 1 Tolä </Td> <Td> ≈ 0.375 t oz </Td> <Td> 11.66375 g </Td> </Tr> <Tr> <Td> 1 Sèr (80 Tolä) </Td> <Td> 2.5 t lb ≈ 2.057 lb ≈ 2 lb 1 oz </Td> <Td> 0.93310 kg </Td> </Tr> <Tr> <Td> 1 Maund (40 Sèr) </Td> <Td> 100 troy lb </Td> <Td> 37.324 kg </Td> </Tr> </Table> <Tr> <Th> Indian System </Th> <Th> British / troy System </Th> <Th> Metric System </Th> </Tr>

1 ser is equal to how many kgs
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