• Pioneered Ganga Water Pollution Researches in 1972
• Research findings honored by Parliament of India, 1980
• Played a vital role in formulation of Ganga Action Plan in India

• One of the best teachers and famous for quality teaching in the Institute of Science, Banaras Hindu University. Taught for 35 years at UG & PG classes of Ecology, Environmental Science, Botany, Environmental Science & Technology including a number of UGC refresher courses, training programmes and delivered lectures in different universities in India and abroad.

• 44 years in the field of Environmental Pollution Control Technologies, Bioremediation, Ecological Conservation, Biodiversity, River & Water Resources Management.
• Ph.D. produced : 32
• Published: 225 research papers and scientific articles including 9 books. Research papers are published in high ranking International Scientific Journals i.e. British medical journal, Air Water and Soil Pollution, Chemosphere, AMBIO, Atmospheric Environment, Environmental Pollution, Environment International, Journal of Environmental Quality, Bioresource Technology, Ecological Engineering, Environmental Monitoring and Assessment, Environmental Conservation, Journal of Environmental Management, Journal of Environmental Science etc. Research findings are cited all over the world.
• Research Projects: Completed 9 major research projects of the University Grant Commission, Ministry of Environment & Forest, Ministry of Rural Development, Govt. of India and U.P. State Pollution Control Board etc.

• River System Analysis and Eco-toxicology
• Reservoir and Pond Dynamics
• Air, Water, Noise and  Bio- monitoring
• In-situ and Ex-situ Conservation of  Biodiversity
• EIA and ISO Certification
• Green Belt Development for Noise & Air Pollution Control
• Cost Effective Wastewater Treatment Technologies
• Cost Effective Air Pollution Control Technologies
• Water Conservation, Rain Water Harvesting and Ground Water Recharging

• Developed following 7 new technologies which are economic & land mark contribution in the field of Wastewater Treatment and Environmental Pollution Management.
• Stack Pollution Controller (1995). Unique device to remove SPM and toxic gaseous pollutants from all kinds of industrial stacks.
• Air Pollution Controller for Silver Refineries (1995). Gaseous pollutant NO2 released from Silver Refineries is recycled, converted to HNO3 and reused. This device is being used in a number of Indian Silver Refineries.
• Biological Treatment of Waste Water (1991). This is an eco-friendly technology used for removal of heavy metals and other toxic pollutants from sewage and industrial effluents. This cost-effective technology was highly appreciated by scientists and technologists during Int. Conf. at Vienna and recommended for its application for pollution control in tropical countries.
• Treatment Technology for Saree Printing Industries (1998). This is the most economic primary wastewater treatment technology and approved by Hon'ble High Court, Allahabad.
• Treatment Technology for Dairy Waste Water (2003). This low cost technology is developed for tertiary treatment of dairy wastewater with the help of aquatic plants. Technology is effectively used by a number of Dairies in India.
• Air Pollution Control Technology for Brick Industries (2003). This low cost technology is based on wet scrubber methodology for the removal of particulate matters and gaseous pollutants from stacks of the Brick Industries.
• Advanced Wastewater Treatment Technology (2010). This is an advanced wastewater treatment technology in which different concentrations of Ozone gas is used for removal of organic materials and bacterial disinfection of the treated wastewater.

• Chairman: Malaviya Research Center for Ganga, River Development & Water Resources Management, Banaras Hindu University aimed to produce multidisciplinary experts in field of water resources management and river development (2015 continued).
• Coordinator: UGC Refresher Courses in Environmental Science and Technology organized to provide extensive teaching and training to university/college teachers in the field of Environmental Science & Technology (2002 & 2007).
• Convener: Apex Committee of the Banaras Hindu University constituted to introduce environmental education in the university (1999).
• Coordinator: Air Pollution Management Training Programme, (1995). Six months training programme organized to provide extensive training to BHU students in the field of air quality monitoring, ISO certification, environmental legislations and pollution control technologies for particulate matters and toxic gases.
• Coordinator: Water Pollution Management Training Programme, (1994). Six months training programme organized to provide extensive training to BHU students in the field of water quality monitoring, wastewater treatment and biological control of water pollution.
• Coordinator:  Eco-Development Programme of the Sonbhadra District, Govt. of UP (2002). A programme of the Govt. of Uttar Pradesh to create Data Base for Natural Resource Management of the area degraded due to coal mining, thermal power plants and stone crusher industries.
• Coordinator: Integrated project on River Ganga Water Pollution (1985-2000), twelve departments of the BHU have participated to study different aspects of Ganga water pollution, Sewage Treatment and public awareness programmes.

• Founder Coordinator:  Centre for Environmental Science & Technology, Banaras Hindu University, a multi-faculty university centre dedicated for M.Sc. (Tech) & Ph.D., teaching, training, research and ecologically sound technology transfer for sustainable eco-development of the society.
• Founder Coordinator: Water Conservation Programme of the University initiated to solve the water crisis through rain water harvesting, ground water recharging, training of rural folk, administrative personnel, NGOs and mass awareness.
• Founder Coordinator: Biodiversity Park of the Banaras Hindu University at RGSC. A unique Biodiversity Park established in 500 acre land dedicated to ex-situ & in-situ conservation of endangered plant species of Vindhyan region and development of Gene Bank.
• Founder Course Coordinator: M.Sc. Environmental Science, a two year PG course developed to produce Environmental Managers to solve environmental problems.
• Founder President: National Environmental Conservation Association (An International Organization working for Environmental Safety and Peace since 1981), a registered Non-Governmental Organization under Society Reg. Act 1860, Foreign Contribution Regulation Act 1975, enlisted with the Ministry of Environment and Forest, Govt. of India. www.ecaindia.org.

• Expert Member : District Level Environment Impact Assessment Authority (DEIAA), Govt. of India (2016).
• Expert Member : Heritage City Development and Augmentation Yojana (HRIDAY), nominated by Government of Uttar Pradesh (2016).
• Nodal Officer : Appointed by the Banaras Hindu University for Ministry of Water Resources Management & Rejuvenation of River Ganga, Govt. of India (2015).
• Expert Member: National Ground Water Advisory Council, Govt. of India (2014).
• Expert Member: National Ganga River Basin Authority (NGRBA) Govt. of India, established under Chairmanship of Hon'ble Prime minister (2009).
• Expert Member: State Ganga River Conservation Authority Govt. of U.P., established under Chairmanship of Hon'ble Chief Minister (2009).
• Advisor & Consultant: Pollution Control Board, Govt. of Uttar Pradesh (1992-2002) for environmental planning in the state, environmental monitoring in urban and rural areas, effective implementation of policies, eco-friendly technologies and environmental legislations.
• Scientific Advisor:  Pollution Control Cell of Varanasi Division, (2000). The Cell established under Chairmanship of the Commissioner for effective implementation of the policies, water, air & noise pollution control technologies and environmental legislations at division level.
• Technical Expert:  Ganga Action Plan, nominated by Hon'ble High Court, Allahabad, (1998). Hon'ble High Court has constituted an expert committee consisting six experts to examine sustainability of all projects to be implemented for pollution control of River Ganga.
• Expert member:  UNEP'S Committee on Energy Conservation in Developing Countries, attended meeting, Nov. 21 - 28, 1983 United Nations Office- Geneva.
• Expert member:  Committee on Ganga Water Pollution Monitoring at Mirzapur and Varanasi (1988 to 1990).
• Expert member: Committee to monitor status of the treatment plants in industries constituted by the District Administration of Varanasi.
• Expert member: A number of executive and academic bodies of the universes, industries, government and nongovernmental organizations.

• Established 12 Water Conservation Societies (WCS) in rural areas, initiated programs for renovation of dead ponds for their use as water storage system of the Varanasi District. 
• Encouraged women and rural folk for Rain Water Harvesting and Ground Water Recharging.
• Provided free Environmental Education to the School Children.
• Started Technology Transfer Programme (TTP) to provide extensive training to the rural folk for their economic upliftment through various uses of the stored rain water.
• Created mass awareness among the religious people of Varanasi to use electric crematorium for dead body cremation.
• Worked for women empowerment to enhance their financial capacity through floriculture, saving credit programs and manufacturing of materials for domestic uses under "Jyoti Nirbal Mahila Vikas Karyakram". 
• Established Pollution Testing Laboratory to provide free environmental monitoring, educate the small scale industrial people to Reduce, Reuse & Recycle the waste materials.

• Pioneered pollution researches (1972) on "GANGA RIVER ECOSYSTEM". Research findings were discussed in the Parliament  (Loksabha Q. No. 1464, 21st July, 1980) and played a vital role in formulation of the Ganga Action Plan (GAP) in India.
• On advice of former Prime Minister of India Smt. Indira Gandhi, wrote a scientific book "Himalaya Se Sager Tak" (1989) in Hindi to make the public more aware about scientific facts of the holy river GANGA. This book is dedicated to late Mrs. Gandhi.
• Developed a number of Pollution Control Technologies to control the Ganga water pollution out of which "Technology for Saree Printing Industries" was approved by the Hon'ble High Court, Allahabad (1998).
• Produced documentary film "Scientific search on Ganga" (2009).
• Produced documentary film "Harvesting Rain: A Silent Move" (2010).
• Published 225 research papers including books, out of which 36 are only on Ganga.
• Produced 32 Ph.D. including 19 Ph.D. on different aspects of river Ganga.
• First time in the world studied the impact of dead body cremation on Ganga.
• Created mass awareness among the religious people of Varanasi to use electric crematorium for dead body cremation.
• Addressed 145 public meetings, created mass awareness about Ganga water pollution and its prevention through National & International Electronic & Print media.?

• Organizing Director: National conference on Issues and Challenges of River Ganga Basin Management (2012).
• Organizing Director: National conference on Issues and Challenges of River Ganga Basin Management (2012).
• Chairman: An International Conference: SOLARIS (2012).
• Organizing Director: National workshop on Aviral and Nirmal Ganga: Issues and Challenges (2010).
• Organizing Director: International Congress on Recent Advances in Environmental Sciences and Technology (2009).
• Organizing Director: National Workshop on River Ganga and Groundwater Recharging (2009).
• Convener: National Seminar on Emerging Trends in Env. Management, (2001).
• Convener: Nat. Workshop on Industry & Env. Sc. Education in Millennium (2000).
• Chairman:  Highway Pollution Symposium Session, MADRID, (1992).
• Chairman:  New Sewage Treatment Technology, Sess.  Int. Conf.  Vienna, (1989).
• Organizing Director:  Int. Conf. on Energy Cons. and Env. Management, (1983).
• Organizing Director: National Conf. on River Pollution & Human Health, (1982).

• Nominated as Expert Member of  National Ground Water Advisory Council 2014
• Nominated as Chairman of NGRBA-CPCB-BHU, Ganga Research Program, 2012.
• Awarded with UGC-BSR Faculty Fellowship by the University Grant Commission, 2011.
• Nominated as Expert Member of the National Ganga River Basin Authority, established under the Chairmanship of Hon'ble Prime Minister of India, 2009.
• Nominated as Expert Member of the State Ganga River Conservation Authority, established under the Chairmanship of Hon'ble Chief Minister of Uttar Pradesh, 2010.
• Appointed as Coordinator of the Centre For Environmental Science & Technology, Banaras Hindu University, 2006.
• Appointed as Coordinator of the Environmental Science, Banaras Hindu University, 1999.
• Paryavaran Mitra Puraskar, SNTM foundation by Hon'ble President of India, 1991.           
• Bhagirath Puraskar by Ganga Sewa Samiti, 1999.
• Kashi Gaurav Puraskar by SAAR Sansthan, 2005.
• Ganga Bhakt Puraskar by Society for Science & Technology, Allahabad University, 2007.
• Chief Guest Invited as Chief Guest /Guest of Honor/Chairman & Preside over the Inaugural functions of a number of National and International organizations.