From Nov 1977 to Jan 1979, worked as Asstt. Engineer in U.P. Jal Nigam on design and execution of water supply, sewerage and drainage works; therefore project design, execution and management exposure on large scale public works.

In DCE/DTU he is involved in Consultancy, Teaching ME/M.Tech/ B.E /B.Tech , Research etc. Has wide experience in the interdisciplinary areas of Science and technology such as Water and Waste water Engineering, Environmental hydraulics , CFD Modelling, Environmental sustainability, Bio energy, Bio-Technology, Green Infra, Environmental management etc.

PROFESSIONAL ACHIEVEMENTS

NUMBER OF Courses Taught at UG/PG :+30

NUMBER OF PAPERS PUBLISHED (Detail Encl.) : 48

NUMBER OF BOOKS/ Proceedings : 3

M.E/M.Tech Thesis Guided +38 in No.

BE Projects Guided +50 in No.

• Actively involved in organizing Conferences, Seminars, handling administrative responsibilities, and playing key role in different arenas of Engineering & Management .He is also involved in apex decision making, as a member of different expert committees of (GOI) Govt. of India and other reputed organizations. Has wide experience in the interdisciplinary areas of Science and technology and have gained International exposure by attending at least 100 conferences in India and abroad etc. eg 8th International Conference on Anaerobic Digestion (organised by IAWQ, London ) Sendai, Japan, May 1997., 9th World Congress on Anaerobic digestion (Organised by International water Association ), Antwerpen, Belgium, Sept, 2001.etc.

• He played a key role in the planning, framing and instituting of BE Environmental Engg Programme in DCE (started in 1998). He has also been involved in curriculum development not only for BE Environmental Engg but also for other programs & proposed a common core course in Environmental Education for all Engineering Branches. BE Environmental Engg Programme provided opportunity to look for resource persons in several organizations like NTPC, NHPC, CII, CPCB, and other organizations like AICTE, GOI (Govt. of India) and different Ministries, UPSC, UGC,BIS, FICCI, UNDP,USAID etc.

• He has participated in number of activities involving collaboration and interaction with other organizations. Carried out R&D projects in collaboration with TERI, Centre for Genomics and Integrative Biology, Delhi& IARI, NPL New Delhi.

• Has membership of several professional bodies both National and International( last 30 years)

• Has been involved in organizing Seminars/ Workshops/ Conferences at DCE/DTU and outside. Some important programmes are listed as under

*National Workshop on “Challenges in the management of Water Resources and Environment in the next millennium- Need for Inter Institute Collaboration” during Oct 99. This workshop was organized in association with Indian Water Resources Society & Indian Society for Hydraulics.

* National Conference On “Innovative approaches in the Management of Environment” in collaboration with Indian Association for Environmental Management, Nagpur during Oct 2003.

* organized more than 5 National Conference as organizing Secretary/ Chairman under the aegis of Institution of Public Health Engineers ( India) in the last 3-4 years.

AWARDS & RECOGNITION

• Awarded prize for best paper in the Journal of : Indian Water Works Association., Mumbai during 1989

• Awarded certificate of achievement by Indian Society for Technical Education, New Delhi for guiding best ME/ MTech thesis in Civil Engg in the whole country during 1998.

• Member Technical committee constituted for examining objections received in pursuance of Hon Supreme Court order closing down 9000 Industries in Delhi State

• Acted as an Expert committee member for Review of R&D, TAPTEC and MODROBS Schemes of AICTE

• Acted as member of Expert committee of “ Environmental Protection and Waste Management” group of BIS

(i)Environmental Protection and Waste Management Sectional Committee, CHD 32

ii)     Solid Waste Management Sectional Committee, CHD 33

Municipal Solid Waste CHD 33:P2

iii)     Air Quality Sectional Committee, CHD 35 and

iv)    Water Quality Sectional Committee, CHD 36

· Expert Committee member Environmental Research Committee, Min of Environment/ DSIR for evaluation of research proposals

· Member Academic Council for Joint PG programs of Michigan state University& Construction Industry development Council, N Delhi.

• Vice President , Institution of Public Health Engineers ( Kolkatta) Delhi Chapter (Last 5 years)

PUBLICATIONS

Research papers:

NATIONAL JOURNALS

1. Mehrotra R, Raymahashay B C, ‘Laboratory investigation of cation absorption by alluvial soils near Kanpur’ “J. Inst. Of Engg ( C E Div ) Vol 60 ptcl 6, May 1980. pp 289-90

2. Mehrotra R, Aowal A F S A ‘Water hyacinth – an appropriate solution to water pollution problem’ “J. Inst. Of Engg ( EE Div )” Vol 62, pt En -2 , Feb. 1982.pp 43-46

3. Mehrotra R, Dwivedi N.N ‘Removal of chromium (VI) from water using unconventional materials’ “ J. Of Indian Water Works Association.” Vol 20, No 4, Dec 1988, pp 323-327

4. Mehrotra R, Kumar, S. ‘Removal of Phosphates from sewage by biological and physicochemical methods’.” J of Institution of Public health Engineers.” Vol 1990, pp35-41

5. Mehrotra R, Kapoor B and Narayan B ‘ Deflouridation of drinking water using low cost adsorbent’ “ Indian journal of Environmental health” Vol 41, No 1, 1999, pp 53-58

6. Mehrotra R,Trivedi,A and Mazumder, S.K ‘Anaerobic Treatment of Dairy Effluent- A step for energy Saving & GHG mitigation’ “ International Jour of Engineering and Applied Science & Technology” Vol1, issue 10, 2016, pp5-8

7. Mehrotra R,Trivedi,A and Mazumder, S.K ‘Study on characterization of Indian dairy Waste water’“ International Jour of Engineering and Applied Science & Technology” ( ISSN 2455-2143). Vol1, issue 11, 2016, pp77-88

8. Gautam ,Anu and Mehrotra, Rakesh ’Hydrodynamic Analysis of rectangular baffled reactors having differently modified hanging baffles using Ansys fluent’ Imperial Journal of Interdisciplinary Research (IJIR) Vol-2, Issue-10, 2016 ISSN: 2454-1362, http://www.onlinejournal.in Imperial Journal of Interdisciplinary Research (IJIR) Page 1963

INTERNATIONAL CONFERENCES

1. Mehrotra R, Nambiar K R ‘Treatment of black liquor effluent from paper pulp mill by fly ash’ “ International seminar on management of Environmental problem in paper and pulp industry” New Delhi Feb 1982

2. Mehrotra R ‘Environmental Education for Under Graduates’ “Proceedings World Congress on Engg and Environment & ICEE “ New Delhi Nov 1985, pp 4.2-02[8]

3. Mehrotra R, Chadha R ‘Evaluation of Inorganic sorbents for developing fixed bed chlorinator ‘ “ 4^th ASCEW conference of International Water Supply association “ New Delhi 1988

4. Mehrotra R, Srivastava B K , Prasad S ‘ Physico chemical treatment of food industry effluent ‘ “Proceedings – Appropriate Waste Management Technologies for developing countries – 3^rd International conference “organized by International Association on Water quality, London at Nagpur Feb 1995, pp 607-616

5. Mehrotra,R., Prasad.S., Srivastava.B.K. 'Removal of colour from dye house effluent by Physico chemical processes' ."Proceedings- Appropriate Waste Management Technologies for developing countries -3rd International conference"(organized by International Association on water quality, London) Nagpur, Feb. 1995. pp 617-630.

6. Mehrotra,R. ,Mandal A ,’ Monitoring of vehicular pollution in Delhi for its impact on road users' " 3^rd International conf. on Environmental planning management" Nagpur, Feb. 96. pp 542.

7. Mandal, A., Mehrotra, R .etal, welding shop: Indoor Air Pollution -A Case study. "Proceedings Indoor Air '96, Nagoya (Japan), July,96,pp 541- 544

8. Mehrotra, R., Kumar. N, Pricing of water –Mechanisms and Policy. "Proceedings 22nd WEDC Conference of Loughborough University (U.K.), New Delhi, Sept.,1996 pp 41-43.

9. Mehrotra, R., Jain, P. K , Treatment of Dairy waste by Up flow Anaerobic Expanded sludge bed reactor. "Proceedings 8th International Conference on Anaerobic Digestion (organised by IAWQ, London ) Sendai, Japan, May 1997, Vol. 3, pp 293-296.

10. Mehrotra,R .,Mazumder ,S.K ., Arun Kumar, T, Anaerobic Treatment of Dairy Effluent- A step towards energy production & pollution control, II Proceedings XI International Congress and Exhibition on Environment- 21st Century ,New Delhi, Dec 1997 , pp 107-110.

11. Mehrotra, R, Arun Kumar T , Performance evaluation of Anaerobic baffled reactor for dairy waste treatment "9th World Congress on Anaerobic digestion (Organised by International water Association ), Antwerpen, Belgium, Sept, 2001.Vol 2,pp621-24

NATIONAL CONFERENCES

1. Mehrotra. R., Venkobachar,C ., 'Treatment of acid rinse water using lime stone reactor', "Conference on Env. Management, Trichur, " March 1983.

2. Mehrotra.R., Mazumder., S.K.,Sinha. C.P., 'Role of science and technology for rural-urban continuum', "Seminar on Urban -rural continuum,"Delhi University" Oct. 1984.

3. Mehrotra. R., Chaddha. R., Fixed bed disinfector for rural water,- treatment," All Indian Seminar on Rural water supply system -execution maintenance & management." Lucknow, Nov. 1985

4. Mehrotra. R, Dwivedi.N.N.'Removal of Chromium (VI) from water using unconventional materials', " 19th Annual Convention, "Indian Water Works Association," New Delhi Feb. 1987.

5. Mehrotra.R., Gautam. D.R., ‘ Low cost sorbents for removal of Cd (II) from water'," Proceedings National Seminar on Treatment of waste water by physico chemical processes. " Vadodara, Sept. 1987.pp 80-92.

6. Chand.S., Mehrotra. R., Evaluation of aerobic fluidized bed pilot plant system for dairy waste treatment. “Proceedings National Seminar on management of water and waste water system." Patna, Feb. 1988.pp 6-9 to 6-18

7. Mehrotra. R., Kumar.S. ,'Removal of phosphates from sewage by biological and physico chemical methods'. “National conference on management of lakes and inland water bodies." Puri, Nov. 1988.

8. Mehrotra .R .,Mandal. A etal. 'Growth Pollution in Delhi- Impact on various road users ‘. Xth ISME Conference, Delhi, Dec. 1996.

9. Mehrotra, R .et al. Water quality assessment- A case study of Ground water in NCT of Delhi. “Seminar on Environment Improvement in Delhi", June ,1998.

10. Mehrotra, R ., Arun Kumar T .Treatment of Indian Dairy Effluents by High rate Anaerobic systems." National conference on Environmental pollution monitoring and control", Delhi, Sept,1998.

11. Mehrotra, R ; Prasad S. Comprehensive Treatment of Textile Dye House waste water by Physico chemical Methods.' Seminar on Environmental issues: Technology options for textile Industry, Delhi, Nov,1998

12. Mehrotra, R and Minocha , V. K .Issues in the Management of Water Quality-opportunities & challenges. National Workshop on "Challenges in the Management of Water resources and Environment in the next millennium: Need for Inter Institute collaboration," Delhi, Oct 1999.

13. Mehrotra, R, Arun Kumar T. Development in Anaerobic Biological Treatment Process .Proceedings"IAEM National Conference on Recent Advances in Waste Management" Varanasi, February, 2001, pp 345-51

14. Vatts S, Mehrotra R , Water pollution from steel pickling industry, Workshop on “Pollution control strategies for Delhi – organized by Indian society of Environmental Management “, Delhi Sept 2001.

15. Mehrotra R , S Vatts , Wastewater treatment using sequential batch reactor , IAEM conference on Pollution Prevention and control in India , Nagpur., March 2002

16. Mehrotra R, Priyanka, Composting of fermentation industry waste, Workshop on New techniques and technologies for solid and hazardous waste management,New Delhi, March 2003

17. Mehrotra R. and Vatts S., Phosphorous Removal Using a Sequencing Batch Reactor. ‘ IAEM National Conference on Innovative approaches in the management of Environment’, Delhi, October 2003.

18. Mehrotra R., Priyanka,and , Kaushik R Growth of Spirullina Platensis Algae in Effluents from Distillery Effluent Treatment Plants,” IAEM National Conference on Innovative approaches in the management of Environment”, Delhi, October 2003.

19. Mehrotra R., Gaur V, Yadav M and Kumar R. Study of Solid Waste Management Practices in Sector 18, Rohini( Delhi), “ National Seminar on Urban Wastes Management – Organised by Inst of Public Health Engineers , India” N Delhi, April 2004

20. Mehrotra R., Sharma P.B and Bharadwaj K. Trends in Thermal methods of municipal waste treatment. “Seminar on Waste Incineration in India- organized by CII, N Delhi 22 nd Dec 04.

21. Mehrotra R. Trends in thermal waste management. “ Technical meet on Waste Incineration Technologies” organized by Fed of Indian Chamber of commerce and industry ( FICCI ), New Delhi, 18-19 April, 2006.

22. Mehrotra R and Goyal A Adaptation of zero solid waste philosophy to solid waste management practices in Delhi college of Engineering campus Workshop on ‘Solid Waste Management’ with emphasis on ‘Plastics Waste Management’ organized by PHD Chamber of commerce and industry, New Delhi on 5 – 6 June, 2009.

23. Mehrotra R and Mehrotra A. A Cost Effective Biogas Based Waste To Energy System Deploying Fuel Cell Technology . Proceedings All India Seminar on " Innovative and Cost Effective Products for Water, Waste Water and Sanitation Projects" Organised by Institution of Engineers (India), New Delhi, May 25-26,2012, pp 125-134

24. Mehrotra R and Mazumder S.K. Biomethanation of dairy effluent- a step for energy conservation & control of green house gas emission seminar on Emerging Trends in Green Technology and Energy from Biomass- Organised by PHD Chamber , New Delhi, November 26^th, 2012

25. Mehrotra R “Computer Aided Sanitary Sewerage system Design: An Overview ” Seminar on” Management of Urban and Rural Water Supply & Sewerage Systems in India” organized by Institution of Public Health Engineers, India - Delhi Regional Centre &Bentley Systems India Pvt. Ltd, New Delhi ,October 24, 2013 .

26. Mehrotra R An Improved methodology for Selection of A Water mainrough Multi Attribute Decision making (MADM) Approach National Conference “On Piped Water Supply And Sewerage Systems” organized by IPHE Delhi Regional Centre, New Delhi ,Jan 24-25, 2014.

27. Mehrotra R and Chawda D.S,.Techno-economic Evaluation of Sewage treatment Technologies in the context of Developing countries "National Consultation on Renewed Sanitation Agenda" organized by IPHEand Sulabh International, Delhi, New Delhi13th - 14th February 2015 .

28. Mehrotra R ,Limitations in Planning &Estimating Design discharges for Storm Water Drainage .“National Seminar on Management of Storm Water Drainage Systems inUrban India” organized by IPHE Delhi Regional Centre, IEI and IWRS, New Delhi , Jan 21, 2017

Books/ Chapters. /Conference proceedings

*National Workshop on "Challenges in the Management of Water resources and Environment in the next millennium: Need for Inter Institute collaboration," Delhi, Oct 1999.

* National Conference on Innovative approaches in the management of Environment’, Delhi, October 2003.

*Seminar on” Management of Urban and Rural Water Supply & Sewerage Systems in India” organized by Institution of Public Health Engineers, India - Delhi Regional Centre &Bentley Systems India Pvt. Ltd, New Delhi ,October 24, 2013 .