| 281 | |
| 282 | Study of Seismic activity in the North-East India and determination of its Seismic potential |
| Language: | English |
| 283 | |
| 284 | |
| Language: | English |
| 285 | |
| 286 | |
| Language: | English |
| 287 | |
| 288 | |
| Language: | English |
| 289 | |
| 290 | |
| Language: | English |
| 291 | Study of the precambrian rocks of the Mairang area, Meghalaya |
| 292 | |
| Language: | English |
| 293 | Geological study of the tertiary sediments and coal deposits of the Makum Coalfield, Upper Assam |
| 294 | |
| Language: | English |
| 295 | |
| 296 | Petrology of the pre-cambrian rocks of Rani-Pamohi area, Kamrup district Assam |
| Language: | English |
| 297 | Economic Geology of the Khudengthabi area, Manipur, with special refference to the chromite deposits |
| 298 | Evolution of alkaline-carboratite complex of Samchampi-Samteran area , Karbi Anglong, Assam |
| Language: | English |
| 299 | Stidy of seismic hazard for northeast India and neighbourhood |
| 300 | |
| Language: | English |