| 541 | Investigations on the limnology and microbial ecology of a lentic habitat | |
| Researcher: | Ayyappan, S | |
| Guide: | Katre, ShakuntalaAyyar, S P | |
| University: | Bangalore University | |
| Language: | English | |
| Shodhganga | ||
| 542 | ||
| Researcher: | Bhave, Pramod Raghunath | |
| Guide: | Ingle, R N | |
| University: | Rashtrasant Tukadoji Maharaj Nagpur University | |
| Language: | English | |
| 543 | Investigation on the use of coal for removing mercury from water | |
| Researcher: | Pandey, M P | |
| Guide: | Choudhuri, Malay | |
| University: | Indian Institute of Technology-kanpur | |
| Language: | English | |
| 544 | Ecological studies in relation to the mangrove along the Goa Coast, India | |
| Researcher: | Jagtap, Tanaji Gajanan | |
| Guide: | Untawale, A G | |
| University: | Shivaji University | |
| Language: | English | |
| 545 | Occurrence, distribution and development of ground water in Gosthami River Basin | |
| Researcher: | Venkateswara Rao, Velaga | |
| Guide: | Rama Rao, R V | |
| University: | Andhra University | |
| Language: | English | |
| 546 | ||
| Researcher: | Janardhana Rao, Kodali | |
| Guide: | Chandramohan, P C | |
| University: | Andhra University | |
| Language: | English | |
| 547 | ||
| Researcher: | Sreerama Moorty, Ravi | |
| Guide: | Rama Sarma, D V | |
| University: | Andhra University | |
| Language: | English | |
| 548 | ||
| Researcher: | Mishra, Chandrakant | |
| Guide: | Rathore, J S | |
| University: | Awadhesh Pratap Singh University | |
| Language: | English | |
| 549 | ||
| Researcher: | Sen, Munmun | |
| Guide: | Rathore, J S | |
| University: | Awadhesh Pratap Singh University | |
| Language: | English | |
| 550 | ||
| Researcher: | Singh, Ram Pratap | |
| Guide: | Ambasht, R S | |
| University: | Banaras Hindu University | |
| Language: | English | |
| 551 | Ecological and faunastic survey piscean of the Lake Turkalia, Motihari (East-Champaran) Bihar | |
| Researcher: | Samuell, Prabha | |
| University: | Babasaheb Bhimrao Ambedkar Bihar University | |
| Language: | English | |
| 552 | Ecology of mangrove swamp near Juhu beach, Bombay with reference to sewage pollutions | |
| Researcher: | Padmakumar, K G | |
| Guide: | Dwivedi, S N | |
| University: | University of Mumbai | |
| Language: | English | |
| 553 | Ecology of macrobenthos in some sewage water ane brackish water impoundments of West Bengal, India | |
| Researcher: | Sarangi, Niranjan | |
| University: | University of Calcutta | |
| Language: | English | |
| 554 | ||
| Researcher: | Balchand, A N | |
| Guide: | Krishnan Nambissan, P NKurup, P G | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||
| 555 | ||
| Researcher: | James, D B | |
| University: | Andhra University | |
| Language: | English | |
| 556 | Studies on Sytematics and Ecology of Freshwater Rotifera of Visakhapatnam | |
| Researcher: | Kameswara Rao, R | |
| University: | Andhra University | |
| Language: | English | |
| 557 | ||
| Researcher: | Sharma, S V | |
| University: | Andhra University | |
| Language: | English | |
| 558 | Haematology of Chanos Chanos forskal From Brackish Water Fish Farms of Kakinada | |
| Researcher: | Rambhaskar, B | |
| University: | Andhra University | |
| Language: | English | |
| 559 | Studies on the Hydroclimatology of the Damoder River Basin Through water balance Concept | |
| Researcher: | Raman, C V | |
| University: | Andhra University | |
| Language: | English | |
| 560 | Ground water hydrochemistry of the Western Yamuna River Basin | |
| Researcher: | Shadab Khurshid | |
| Guide: | Israili, S H | |
| University: | Aligarh Muslim University | |
| Language: | English | |