| 561 | |
| Researcher: | Venu, Potha Raju |
| University: | Andhra University |
| Language: | English |
| 562 | Ecological studies in the intertidal region of Vellar estury portonovo(S India) |
| Researcher: | Fernando, Olivi J |
| Guide: | Natarajan, R |
| University: | Annamalai University |
| Language: | English |
| 563 | Primary productivity of some inland freshwaters with special reference to macrophytes of Sagar Lake |
| Researcher: | Singhal, Pradeep Kumar |
| Guide: | Adoni, A D |
| University: | Dr Harisingh Gour Vishwavidyalaya |
| Language: | English |
| 564 | Limnological studies on Chambal river with special reference to pollution |
| Researcher: | Daud, Narendra |
| University: | Vikram University |
| Language: | English |
| 565 | Hydrobiological characteristics of lake Wular with reference to Zooplankton |
| Researcher: | Naquash, Showkat Ahmad |
| Guide: | Qadri, M Y |
| University: | University of Kashmir |
| Language: | English |
| 566 | |
| Researcher: | Raina, Rajni |
| Guide: | Dubla, B A |
| University: | University of Kashmir |
| Language: | English |
| 567 | Studies on the effects of different insecticides on a fresh water fish |
| Researcher: | Avasthi, Chitra |
| Guide: | Ratnakar, A V |
| University: | Devi Ahilya Vishwavidyalaya |
| Language: | English |
| 568 | |
| Researcher: | Hanumantha Rao, Lakkavajihala |
| University: | Andhra University |
| Language: | English |
| 569 | |
| Researcher: | Manikyaja Rao, Dhujipala |
| University: | Andhra University |
| Language: | English |
| 570 | Studies on the hill stream fishes along the Nepalbihar border |
| Researcher: | Mishra, Safal Kumar |
| Guide: | Singh, C P |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |
| 571 | |
| Researcher: | Mohana Rao, Ghanagam Rama |
| University: | Andhra University |
| Language: | English |
| 572 | Studies on the candle neurosecretory system in the freshwater Anabandid teleost fish |
| Researcher: | Nageswara Rao, P |
| Guide: | Ramulu, V |
| University: | Annamalai University |
| Language: | English |
| 573 | |
| Researcher: | Passouparthy, A |
| Guide: | Natarajan, R |
| University: | Annamalai University |
| Language: | English |
| 574 | |
| Researcher: | Santosh Kumar |
| Guide: | Indu Prakash |
| University: | Chhatrpati Shahu Ji Maharaj University |
| Language: | English |
| 575 | Enviromental relation of some fresh water ectoprota with special reference to the bodywall |
| Researcher: | Agrawal, Vinodini |
| Guide: | Rao, K S |
| University: | Vikram University |
| Language: | English |
| 576 | Ecology of river Varuna at Varanasi with special reference to bacterial pollution |
| Researcher: | Nagendra Prasad |
| Guide: | Tripathi, B D |
| University: | Banaras Hindu University |
| Language: | English |
| 577 | |
| Researcher: | Jaiswar, J R m |
| Guide: | Desai, B N |
| University: | University of Mumbai |
| Language: | English |
| 578 | Plants and water borne pollutants studies of some interactions |
| Researcher: | Kalap, K P |
| Guide: | Chaphekar, S B |
| University: | University of Mumbai |
| Language: | English |
| 579 | Ecobiology of a hemichordate worm Saccoflossus Sp from Sundarbans Mangrove Complex, India |
| Researcher: | Singh, Bhrigunath |
| University: | University of Calcutta |
| Language: | English |
| 580 | ecological study of some fish ponds of Bihar with special reference to fish culture practices |
| Researcher: | Syed Hasib Ahmad |
| University: | University of Calcutta |
| Language: | English |