1975 World Telugu Language Conference, Hyderabad

1978 Children’s Day 1978 National Small Industries Fair, New Delhi 1978 The 175th Anniversary of Skinner’s Horse (Cavalry Regiment) 1978 The 100th Anniversary of the Birth of Mohammad Ali Jauhar, Patriot 1978 The 100th Anniversary of the Birth of Chakravarti Rajagopalachari, First Post-independence Governor-General 1978 The 75th Anniversary of Powered Flight 1978 The 100th Anniversary of the Ravenshaw College, Cuttack 1978 The 150th Anniversary of the Death of Franz Schubert (Composer) 1979 The 4th Reunion of Punjab Regiment 1979 Bhai Parmanand (Scholar) Commemoration 1979 International Year of the Child 1979 The 100th Anniversary of the Birth of Albert Einstein, Physicist 1979 Rajarshi Shahu Chhatrapati (Ruler of Kolhapur State, and Precursor of Social Reform in India) Commemoration 1979 Local Motifs Stamp of 1967 Without Currency Inscription 1979 International Stamp Exhibition “INDIA 80” 1979 The 100th Anniversary of Indian Postcards 1979 Raja Mahendra Pratap (Patriot) Commemoration 1979 -1982 Agriculture 1979 The 50th Anniversary of the Death of Jatindra Nath Das (Revolutionary) 1979 Airmail – International Stamp Exhibition “INDIA 80” – Mail-carrying Aircraft 1979 The 100th Anniversary of the Electric Lightbulb 1979 International Archives Week 1979 The 50th Anniversary and 13th Congress of International Commission on Large Dams 1979 India International Trade Fair, New Delhi 1979 International Children’s Book Fair, New Delhi 1979 The 23rd International Atomic Energy Agency Conference, New Delhi 1979 Flying and Gliding 1979 The 500th Anniversary of the Birth of Guru Amar Das (Sikh Leader) 1980 The 3rd United Nations Industrial Development Organization General Conference, New Delhi 1980 India ’80 International Stamp Exhibition 1980 Institution of Engineers (India) Commemoration 1980 The 200th Anniversary of Madras Sappers 1980 The 2nd International Conference on Agriculture 1980 The 4th World Book Fair, New Delhi 1980 -1983 Agriculture 1980 Welthy Fisher (Teacher) Commemoration 1980 Darul-Uloom College Commemoration 1980 Keshub Chunder Sen (Religious and Social Reformer) Commemoration