Stamps of India, 31 base day
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postage
1957, Dec 31 universities 100th issue wmk. mult stars (no perf info)
| X | 10np | vio | Bombay University | |||
| X | 10np | gray | Calcutta University | |||
| X | 10np | ltbrn | Madras University |
1965, Oct 31 wmk. Asokan capital
| X | 15p | gray | Patel |
1966, Dec 31 hockey champions, 5th Asian Games issue
| X | 15p | bl |
1968, Mar 31 1st Triennial Exhibition issue
| X | 15p | bl & org |
1968, Dec 31 birds (1968 India)
| - | 20p | multi | Blue Magpie Urocissa erythrorhyncha | |||
| - | 50p | multi | Dendrocopos himalayensis | |||
| X | 1r | multi | Babbler Pomatorhinus schisticeps | |||
| X | 2r | multi | Sunbird Aethopyga siparaja |
1970, Aug 31 International Education Year / Montessori 100th issue
| X | 20p | Maria Montessori |
1971, Oct 31 World Thrift Day issue
| - | 20p | .20 | .20 |
1975, Oct 31 Sardar Vallabhbhai Patel 100th issue
| - | 25p | Sardar Vallabhbhai Patel |
1980, Jul 31
| - | 30p | brn | Prem Chand |
1981, Oct 31
| - | 35p | multi | Bellary Raghava |
1985, Jan 31 Indira Gandhi memorial issue
| - | 2r | multi | Indira Gandhi making Speech | |||
| - | 2r | blk | Indira Gandhi with Crowd | |||
| - | 3r | multi | Indira Gandhi |
1986, May 31 World Cup 1986 issue
| - | 5r | multi |
1987, Dec 31
| - | 60p | multi | Pandit Hriday Nath Kunzru |
1987, Dec 31 Dr. Hiralal issue
| - | 60p | Dr. Hiralal |
1988, May 31 130th Anniversary of Lawrence School, Lovedale issue
| - | 1r | multi |
1989, Jan 31
| - | 60p | car | St. John Bosco and boy | .20 | .20 |
1990, Jul 31 Indian Agriculture Research Council issue
| - | 2r | multi |
1990, Dec 31 Dnyaneshwari 700th issue
| - | 2r | multi |
1991, Jul 31 Keshav Shankar Pillai memorial issue
| - | 4r | multi | Shankar awarding Padma Vibhushan | |||
| - | 6.5r | Man Holding 2 Elephants | — | — | ||
| - | 6.5r | The Big show | — | — |
1992, Jul 31
| - | 1r | multi | Udham Singh | .20 |
1992, Dec 31
| - | 1r | multi | Pandit Ravi Shankar Shukla | .20 | .20 |
1993, Jul 31 Bombay Municipal Corporation Building - Centenary issue
| - | 2r | multi | Bombay Municipal Corporation Building |
1993, Dec 31 Indian National Army - 50th Anniversary issue
| - | 1r | multi | Bose inspecting soldiers |
1995, Dec 31
| - | 1r | multi | Ala Hazrat Barelvi |
1999, Dec 31 New Millennium issue
| - | 3r | multi | (2000) | |||
| - | 5r | multi | ||||
| - | 10r | multi |
2000, Mar 31 Indepex Asiana 2000 issue - flora and fauna of Manipur and Tripura
| - | 3r | multi | Siroi Lily | |||
| - | 3r | multi | Sangai Deer | |||
| - | 3r | multi | Wild Guava | |||
| - | 15r | multi | Greater Slow Loris Nycticebus coucang |
2000, Oct 31
| - | 2r | dkgray | Sardar Vallabhbhai Patel | .20 | .20 |
2000, Dec 31 Historical Personalities
| - | 3r | multi | Prithviraj Chauhan | |||
| - | 3r | multi | Raja Bhamashah | |||
| - | 3r | multi | Rajarshi Bhagyachandra, King of Manipur | |||
| - | 3r | multi | General Zorawar Singh |
2001, May 31
| - | 3r | multi | Suraj Narain Singh | .20 |
2002, Mar 31 Indian Ordnance Factories 1802-2002 issue
| - | 4.00r | multi |
2002, Dec 31
| - | 5.00r | multi | T.T. Krishnamachari | — | — |
2002, Dec 31 Forts of Andhra Pradesh issue - forts of Andhra Pradesh
| - | 5.00r | multi | Golconda | — | — | |
| - | 5.00r | multi | Chandragiri | — | — |
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