| 1st |
C.A. Arnold |
Fossil plants and continental drift |
| 2nd |
Bennett Clark |
Plant control mechanisms |
| 3rd |
Prof. D.D. Pant |
The theory of continental drift in the light of recent researches |
| 4th |
C.V. Subramanian |
Moulds, mushrooms and man |
| 5th |
Prof. B.G. Deshpande |
Growth of ideas in generation and migration of oil over last 20 years |
| 6th |
N.F. Hughes |
Mid-Cretaceous seed plants |
| 7th |
S. Ahmad |
Gondwanaland: the concept that failed |
| 8th |
S.D. Saksena |
The progress of
Palaeobotany in India |
| 9th |
R.C. Misra |
Geologic evolution of Uttar Pradesh |
| 10th |
M.S. Chennaveeraiah |
The Palms |
| 11th |
R.S. Chopra |
Status and position of hornworts |
| 12th |
T.M. Harris |
What is Palaeobotany for? |
| 13th |
W.G. Chaloner |
Plants, animals and time |
| 14th |
Li Xingxue |
On the mixed Permian floras of Gondwana and Cathaysia or Euramerica |
| 15th |
K. R. Surange |
Gondwana floras : Problems and possibilities |
| 16th |
B.P. Radhakrishna |
Our oldest rocks and early records of life |
| 17th |
T.S. Sadasivan |
Why basic science? |