This standard covers requirements of copper-electrodeposited composite bottom stainless steel cooking utensils, namely, DEGCHIES (deep, flat and round bottom ), frying-pans and saucepans.
IS 4536 Pt.1-1987 history
1988IS 4536 Pt.1-1987 Specification for stainless steel cookware with composite bases Part 1 Electroplated copper