| 261 | |
| Researcher: | Singh, Avadh Narayan | 
| Guide: | Bhattacharya, A K | 
| University: | Banaras Hindu University | 
| Language: | English | 
| 262 | |
| Researcher: | Ramesh Kumar, M R | 
| Guide: | Shastry, J S | 
| University: | Goa University | 
| Language: | English | 
| 263 | Stratigraphy and petrogenesis of Deccan Lavas, parts of the Western Ghats, India  | 
| Researcher: | Bodas, Makarand Shripad | 
| Guide: | Subbarao, K V | 
| University: | Indian Institute of Technology-Bombay | 
| Language: | English | 
| 264 | |
| Researcher: | Ananthanarayanan, P N | 
| University: | University of Madras | 
| Language: | English | 
| 265 | Geology and palaeontology of the Upper Siwaliks of a part of Pinjore-Nalagarh area  | 
| Researcher: | Badam, Gyani Lal | 
| University: | Panjab University | 
| Language: | English | 
| 266 | |
| Researcher: | Dhar, Bhushan Lal | 
| University: | University of Jammu | 
| Language: | English | 
| 267 | Geology of the area around Khalari-Bachra, North Karanpura coalfields, Palamau District, Bihar  | 
| Researcher: | Ghosh, Arabinda | 
| University: | Jadavpur University | 
| Language: | English | 
| 268 | Geological investigation of the area around Thanna-Mandi, District Rajouri, Jammu and Kashmir State  | 
| Researcher: | Gupta, Khem Raj | 
| University: | University of Jammu | 
| Language: | English | 
| 269 | Genesis, mineralogy and engineering characteristics of black cotton soils  | 
| Researcher: | Mehrotra, Gopal Swarup | 
| University: | University of Roorkee | 
| Language: | English | 
| 270 | |
| Researcher: | Pal, Rabindranath | 
| University: | Jadavpur University | 
| Language: | English | 
| 271 | |
| Researcher: | Pimpalkar, Ramchandra Kashinath | 
| University: | Rashtrasant Tukadoji Maharaj Nagpur University | 
| Language: | English | 
| 272 | |
| Researcher: | Singh, Pratap | 
| University: | University of Lucknow | 
| Language: | English | 
| 273 | |
| Researcher: | Raju, Philip | 
| University: | Indian Institute of Technology | 
| Language: | English | 
| 274 | Geology of the area South-West of Tirupattur, North Arcot District, Madras State, Tamil Nadu  | 
| Researcher: | Ramasamy, R | 
| University: | University of Madras | 
| Language: | English | 
| 275 | Geological studies of the area sout of Mukhem, Garhwal Himalaya  | 
| Researcher: | Saklani, Prem Swarup | 
| University: | University Of Delhi | 
| Language: | English | 
| 276 | Contributions to the geology of the Indian shield and the Himalayas  | 
| Researcher: | Saxena, Mahendra Nath | 
| University: | Panjab University | 
| Language: | English | 
| 277 | |
| Researcher: | Shah, S K | 
| University: | University of Jammu | 
| Language: | English | 
| 278 | |
| Researcher: | Srivastava, Ishwari Prasad | 
| University: | University of Lucknow | 
| Language: | English | 
| 279 | Sone Ghati (Paschimanchal) ka avasadaniya adhyayan janpad Mirzapur evam Sidhi (Bharat)  | 
| Researcher: | Srivastava, Rai Audhesh Kumar | 
| University: | Banaras Hindu University | 
| Language: | Hindi | 
| 280 | |
| Researcher: | Gupta, Ravi Prakash | 
| University: | University of Roorkee | 
| Language: | English |