| 501 | |
| 502 | |
| Language: | English |
| 503 | |
| 504 | |
| Language: | English |
| 505 | |
| 506 | |
| Language: | English |
| 507 | |
| 508 | |
| Language: | English |
| 509 | Studies in antimetabolites and chemical investigation of Indian medicinal plants |
| 510 | |
| Language: | English |
| 511 | |
| 512 | |
| Language: | English |
| 513 | Studies in the nitrogen fixation in soil with cellulosic substances |
| 514 | |
| Language: | English |
| 515 | |
| 516 | Sedimentological studies of the Kolhan basin, Singhbhum district, Bihar |
| Language: | English |
| 517 | Micronutrient interaction in soils and plants with special reference to zinc |
| 518 | |
| Language: | English |
| 519 | socio-economic study of aboriginal labour working in mining industry in Madhya Pradesh |
| 520 | study of the Indian currency and exchange since independence: 1947 to 1962 |
| Language: | English |