| 1 | On the texonomy and phylogeny of a few centrospermous with reference to pollen morphology |
| Researcher: | Ray, Piyush |
| University: | University of Calcutta |
| Language: | English |
| 2 | |
| Researcher: | Sarkar, Piyush Kanti |
| Guide: | Chatterjee, Salil Kumar |
| University: | University of Burdwan |
| Language: | English |
| 3 | |
| Researcher: | Sircar, Piyush Kanti |
| Guide: | Chatterjee, Salil Kumar |
| University: | University of Burdwan |
| 4 | Biomass and net production of herbaceous layer in tropical dry deciduous forest. |
| Researcher: | Parekh, Piyush Anantray |
| Guide: | Pandit, B R |
| University: | Bhavnagar University |
| Language: | English |