| 521 | limnological study of the Himayat sagar and Hussain Sagar lakes | |
| Researcher: | Satyanarayana Reddy, N | |
| Guide: | Zafar, A R | |
| University: | Osmania University | |
| Language: | English | |
| 522 | ||
| Researcher: | Mulik, Niranjana Gopalrao | |
| Guide: | Bhosale, L J | |
| University: | Shivaji University | |
| Language: | English | |
| Shodhganga | ||
| 523 | investigation in analysis of water pollutants: Analysis of carbamate pesticides | |
| Researcher: | Rajeswari, C V | |
| Guide: | Naidu, P R | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| 524 | ||
| Researcher: | Garg, Ajai | |
| Guide: | Singh, V P | |
| University: | Vikram University | |
| Language: | English | |
| 525 | Resistivity survey for groundwater in hard rock areas with special reference to basalts | |
| Researcher: | Viswanadham, K S | |
| Guide: | Vimal, K P | |
| University: | Jawaharlal Nehru Technological University | |
| Language: | English | |
| 526 | Ultrastructural and physiological studies on the effects of water pollutants on aquatic flora | |
| Researcher: | Chawla, Geeta | |
| Guide: | Viswanathan, P N | |
| University: | Industrial Toxicology Research Centre | |
| Language: | English | |
| 527 | Studies on algae and water pollution of certain ponds of Kanpur | |
| Researcher: | Tripathi, Anil Kumar | |
| Guide: | Pandey, S N | |
| University: | Chhatrpati Shahu Ji Maharaj University | |
| Language: | English | |
| 528 | Effects of some pesticides on an airbreathing freshwater fish anabas testudineus (bloch) | |
| Researcher: | Chakrabarti, Ipsit | |
| Guide: | Bandyopadhyay, S | |
| University: | University of Calcutta | |
| Language: | English | |
| 529 | ||
| Researcher: | Chitra, K Y | |
| Guide: | Sreeram Kumar, N | |
| University: | Osmania University | |
| Language: | English | |
| 530 | ||
| Researcher: | Sidda Reddy, K | |
| Guide: | Paravatheswara Rao, V | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| 531 | ||
| Researcher: | Guruprasada Rao, M | |
| Guide: | Nanda Kumar, N V | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| 532 | ||
| Researcher: | Bala Subramanyam, B | |
| Guide: | Govindappa, S | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| 533 | ||
| Researcher: | Basha Mohideen, Md | |
| Guide: | Paravatheswara Rao, V | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| 534 | Limnological studies on some fresh-water ponds of North India | |
| Researcher: | Jindal, Rajinder | |
| Guide: | Vasisht, H S | |
| University: | Panjab University | |
| Language: | English | |
| 535 | ||
| Researcher: | Dhir, Subash Chander | |
| Guide: | Vasisht, H S | |
| University: | Panjab University | |
| Language: | English | |
| Shodhganga | ||
| 536 | Assessment of the Chambal river pollution after the addition of treated effluent | |
| Researcher: | Dwivedi, H S | |
| Guide: | Dubey, P S | |
| University: | Vikram University | |
| Language: | English | |
| 537 | ||
| Researcher: | Murty, Satyanarayana | |
| University: | Andhra University | |
| Language: | English | |
| 538 | ||
| Researcher: | Vennam, Jaya Sree | |
| University: | Andhra University | |
| Language: | English | |
| 539 | ||
| Researcher: | Dixit, Arun Mani | |
| Guide: | Lalman | |
| University: | Dr Ram Manohar Lohia Awadh University | |
| Language: | English | |
| 540 | Ecology of River Ganga in Varanasi with special reference to pollution | |
| Researcher: | Mohd, Sikandar | |
| Guide: | Tripathi, B D | |
| University: | Banaras Hindu University | |
| Language: | English | |