1. Leaf impressions belonging to the Tertiary age of northeast India;Ambwani;Phytomorphology,1992
2. Fossil flora from the Himalayan foothills of Darjeeling district, West Bengal, and its palaeoecological and phytogeographical significance;Antal;Palaeobotanist,1993
3. Oligocene flora from Makum Coalfield, Assam, India;Awasthi;Palaeobotanist,1995
4. Siwalik plant fossils from Surai Khola area, western Nepal;Awasthi;Palaeobotanist,1990
5. Fossils leaves and a fruit from Warkalli beds, Kerala Coast, India;Awasthi;Geophytology,1992