Language
IS 2048 (B) - 1983
IS 2048 (E) - 1983
IS 2048 (G) - 1983
IS 5372 - 1975 (R2001)
IS 6760 - 1972
IS 2016 (Table 1) - 1967
IS 2016 (Table 2) - 1967
IS 2016 (Table 3) - 1967
IS 2048 (J) - 1983
IS 2048 (C) - 1983
IS 2048 (D) - 1983
IS 2048 (A) - 1983
IS 4190 - 1984
IS 7485 - 1985 (R2001)
IS 3757 - 1985
IS 3075 (-1) - 1986 (R1996)
IS 7790 - 1991
IS 6761 - 1994 (R2004)
IS 6735 - 1994 (R2004)