| 441 | Contributions to the techniques of pond fish culture in India | |
| Shodhganga | ||
| 442 | ||
| Language: | English | |
| 443 | ||
| 444 | Limnological studies on some North Indian lakes and reservoirs | |
| Language: | English | |
| 445 | ||
| 446 | ||
| Language: | English | |
| 447 | ||
| 448 | Water quality in three typical rivers in U P-Ganga Yamuna and Kali | |
| Language: | English | |
| 449 | ||
| 450 | Studies on some aspects of sludge blanket clarification in water treatment | |
| Language: | English | |
| 451 | ||
| 452 | Biodigestion of chemically flocculated algae for recovery of energy | |
| Language: | English | |
| 453 | ||
| Shodhganga | ||
| 454 | Physico-chemical characteristics of coal carbonisation waste water. NEERI, Nagpur | |
| Language: | English | |
| 455 | Some analytical redox applications of dissolved oxygen in water | |
| 456 | ||
| Language: | English | |
| 457 | ||
| 458 | Hydrothermal decomposition studies of some rhombohedral carbonates | |
| Language: | English | |
| 459 | Studies on the removal of certain pollutants from tannery effluents. CLRI, Madras | |
| 460 | Limnological studies on the upper lake at intake point and five MGD water treatment plants | |
| Language: | English | |