India 1969-74. SG606 12th Plenary Assembly of Int Radio Consultative Committee. SG609 Centenary of Nalanda College. SG611 Birth Centenary of Lenin. SG615 25th Anniversary of United Nations. SG620 150th Birth Anniversary of Iswar Chandra Vidyasagar (educationist).
VLMM: Vey lightly mounted mint. MINT: Unused with gum, previously hinged. MNH: Mint - Never Hinged. Unused: A mint stamp but without gum, VLH: Very Lightly Hinged. HR: Hinge Remnant. HH: Heavily hinged.