Chemistry

Set / Name of Stamp Date of Issue Denomination Image
W. C. Roentgen (1845-1923)November 8, 1995 November 8, 1995 Rs. 6 W. C. RoentgenW. C. Roentgen
12th International congress of Soil Science, New DelhiFebruary 8, 1982 February 8, 1982 Rs. 1 Soil Science CongressSoil Science Congress