1. Lecturer/Assistant Professor (Nine Years), at REC Hamirpur , PAU Ludhiana (Punjab), HAU Hisar (Hry.) Since 27^th Jan 1988
2. Reader/Associate Professor (Eight Years) DCE. (Delhi) since-25^th April 1997 to 24^th April-2005
3. Professor (20 years) D.T.U. (Delhi) since-25^th April 2005 to 31st July 2021 and then 2nd Aug 2021 to till date 
4. HOD (Mechanical , Production, Industrial & Automobiles Engineering) from 01-01-2015 to 31st Dec-2017 (Three Years
5. Dean (Outreach and Extension Activities) from 01-January 2018 to 31st July 2021 

Research Focus;

Green Technology, Refrigeration & Air Conditioning , Metal Cutting Technology, Total Quality Management, Solar Energy Technology, Bio Fuels, power Plant engineering

Taught  P.G. subjects

Advanced Heat and Mass transfer (PG), Optimal Design of Thermal Systems, Advanced Fluid Mechanics, Thermal Sciences and Engineering (M.Tech: RET)

Taught U.G. subjects

 Thermodynamics, Heat & Mass Transfer, Thermal Engineering-I &II, Fluid Systems, Machine Design

Presently Teaching subjects (Since: Aug-2010)

Advanced Heat and Mass transfer (P.G.)

(ii)Heat & Mass transfer (U.G),

(iii)Thermodynamics

Current and Previous Administrative Responsibilities:

• Former Dean (Out reach & Extension activities) , Delhi Technological University (01-01-2018 to 31-12-2021).
• Former DRC Chairman  of Dept. of Mech, Production, Industrial & Automobiles Engineering (5-1-2015 to 31-07-2021)
• Former Head Department of Mechanical Engineering, Delhi Technological University from January 2015 to Dec-.2017
• Member , Academic Council , Delhi Technological University since Oct, 2014.
• Member , Dean  Committee , Delhi Technological University since Jan, 2018.

Institutional Development

• Chairman, ICAPIE 2016,  International Conference on Advanced Production and Industrial Engineering, Oct 14-15, 2017, Organised by MPIAE DTU, Delhi, India.
• Petron, Two-week FDP on “Automation in Manufacturing (AIM-2015) “a TEQIP-II sponsored programme during 04-15 May 2015.
• Chairman, One-week SDP on “Skill Development for Technical Staff in Manufacturing Technology (SDTSMT-2015) “a TEQIP-II sponsored programme during 23-27 Nov 2015.
• Petron, International Conference of ICAPIE at Delhi College of Engineering, December 9-10, 2016.
• Guest of the Day( ICAPIE 2020 at tool room institute Okhala , ICAPIE 2021 at DelhiTechnological University  Delhi)

Other Professional Activities: 

• Chairman, Curriculum Development Board,  for Converting three semester program into  two year M.E program  in (i) Thermal Engineering and (ii) M E in  Production and Industrial Engineering, DCE (1-07-2003 to 31-7-2004) , Faculty of Technology, University of Delhi
• Chairman, Curriculum Development Board, Mechanical Engineering, Production and Industrial Engineering, DTU, (1-01-2015 to 31-7-2017)
• Member Cntre Research Committee (Advanced centre for Energy & Environment at DCRUST Muruthal, Haryana)

Membership of Professional bodies

(a) Life Member of following societies

• Indian Institute of Chemical Engineers. IICh.E
• Indian Society for Technical Education. ISTE
• Indian Society of Agricultural Engineers ISAE
• Indian Society of Extension Education. ISEE
• Indian Society of Bio Technology & Bio-Chemistry.
• Solar Energy Society of India
• Systems Society of India,
• Association of Food Scientists & Technologists (India) Bangalore
•  Indian Society of Information technology and Statics 
• Indian Society of Soil Sciences, IARI, Delhi
• Bio Energy Society of India.
• Indian Society of Soil Conservation
• Indian Society of Dry Land agriculture  Hyderabad,
• Association of Soil and Water Conservationist  (India)
• Indian Society of Soil Sciences, IARI, Delhi
• Indian Society of Water Management

(b)Life Fellow of following societies

• Geological Society of India , (GSI)
• Indian Water Resources Society (IWRS)
• The Institution OF Engineers (India)
• Indian Institute of Environmental Engineers
• Indian Institute of Disaster management.
• National foundation of Indian Engineers.

Ph.D. Guided:  Eighteen (15+02+01)​

1. (a)No. of  Ph.D successfully guided = 19 (18+01 Ph.D. Thesis submitted on 10th March  2023 )

1. Single supervisorship  Twelve (12)

1. Prof. Vipin Ph.D. (Degree awarded in  University of Delhi  , Feb 2008 )
2. Prof. A.K. Madan (Degree awarded in  University of Delhi  , July 2012 )
3. Dr. V JegannathanAlumoni (Degree awarded in  Delhi Technological University, 2018 )
4. Dr. Devender Kumar(Degree awarded in  Delhi Technological University, 2018 )
5. Dr. Harwinder Singh(Degree awarded in  Delhi Technological University, 2019 )
6. Dr. Husain Mehdi (Degree awarded in  Delhi Technological University, 2020 )
7. Dr.Kaushlendra Kumar Dubey(Degree awarded in  Delhi Technological University, 2020 )
8. Dr. Yunis Khan  (Degree awarded in  Delhi Technological University, 2021 )
9. Dr. Rakesh Kumar  Degree awarded in  Delhi Technological University, 2021 )
10. Dr. Ankit Dwivedi (Degree awarded in  Delhi Technological University, 31 May 2022 )
11. Mr. Sumit Jain (Final Ph.D. Result decleared on 01-05 2023) and Ph.D. degree to be awarded in next DTU Convocation -2023  )
12. Ms. Preeti Rani (Final Ph.D results decleared 2023) and Ph.D. Degree to be awarded in  next DTU Convocation-2023
13. (B) No. of  Ph.D successfully guided Jointly  =SIX (0 5   +01 (final ph.D. Thesis was submitted  on 10th March  2023)
14. Dr. Vineet Kumar( 2020) Jointly with Dr. O.P. Singh at IKG, PTU
15. Dr. Bajwa, G.S. (2021) Jointly supervised with Prof Ranganath M.S,
16. Dr. Sahdab Ahmed. (2021) Jointly supervised with Prof Ranganath M.S,
17. Dr. Kadiyan (2022 ) (degree awarded on 25th July 2022) Jointly with Prof A.K. Berwal
18. Dr. Ranganath (2012) Doctor of Management studies, Degree awarded on 31st July 2012 
19. Dr. Gayathri Devi K (2023), Ph.D  Degree result awarded on 08 Aug 2023

(B)  No. of  Ph.D Under Progress (in No.)=21 (i.e.13+6+02(other universities (one (1)DU (Mr. P.V. RamKumar) + One (01) Uma shankar Prasad                                                                                                              (Indian Istitute of Technology /ISM ) Dhanbad) jointly with Prof R.K. Das))) 

1.  Ms. GaganDeep Kaur (2016) Work completed and  two SCI Papers (under review) .Also   writing  Ph.D. thesis, (Jointly  supervising with Prof  A.K. Madan) one scopous conference paper presented.
2. Mr.AftabAnjum (2017) Jointly supervising  with Prof Samsher(VC, HBTU Kanpur) one scopus conference paper published+ 02 non scopus papers published)
3. Ms. HimaniSaxena(2016) Jointly supervising   with Prof  A.K. Madan ( published 03 non scopus papers + 02 non scopus conferences)
4. Mr. Phool Singh (2018) Jointly supervising   with Prof Ranganath M.S ( published two scopus conference papers+ two  SCI papers under review, One SCI paper second revision in Sage Publication )
5. Ms  Versa Pathak (2018), Jointly supervising   with Prof Ranganath M.S
6. Ms. ShivaniJha(2019) Jointly supervising   with Prof Samsher (VC, HBTU Kanpur) (two scopous conference papers published)
7. Mr. Neeraj Budhiraja(2019) Jointly supervising    with Prof Amit Pal (Three SCI papers Published+Two scopus conference papers published)
8. Mr. Ramamurthy (2018) Jointly supervising    with Prof Ranganath M.S
9. Mr. Vinay Kumar Yadav ( 2021) Jointly supervising    with Prof Vipin (one SCI paper under review)
10. Mr. Vijay Shekhar Sharma( 2021) Jointly supervising    with Prof  Rajesh kumar
11. Mr. Sailendra Kumar Gaur( 2021)  Jointly supervising    with Prof. QasimMurutaza (Three SCI paper under review)
12. Mr. Rajesh Kumar( 2021)  Jointly supervising    with Prof M Junaid SRC Formed (one SCI paper under review+ one non scopus paper is published ) 
13. Mr. Afaroj Alam ( 2021) Jointly supervising    with Dr. M Junaid

  (C) Ph.D.in progress =6 ( course work completed & waiting for SRC formation ):Eight 

1. Mr. Swatang Gaurav (TEQIP) (2021) course work completed (Jointly supervising    with Dr. M Junaid)  two  SCI paper published and  one  SCI papers are in review
2. Mr. Ahmad (international student ) (2021) course work completed (Jointly with Prof.Ranganath M  S.)
3. Mr. Ravi Kant (2021) Jointly with Prof .Ranganath M  S. (presented Scopous conference paper on 10th Feb 2023, One SCI Paper communicated)
4. Mr.Neeaj (2021) Jointly with Prof.Ranganath M  S. ( presented Scopous conference paper  on 10th feb 2023, One SCI Paper communicated  ) 
5. Ms.Deepshikha (2022)  completed PhD Coursework (jointly with Dr. K. Manjunath)
6. Mr. Krishna Kumar Completed course work and (Jointly with Dr. K Manjunath) one scopus conference paper presented 

 (D) Ph.D. in other universities/institutions=02

            1.   Mr. P.V. Ram Kumar Registered in University of Delhi, in single supervisor ship, (03 non scopus conference papers published+two  conference paper published)

            2. Mr. Umashankar Prasad, IIT (ISM)Dhanbad(2017) Ph.D work completed, waiting for thesis    submission ,  two scopus conference papers published+ one SCI Paper was published and another  SCI paper  is under review) Jointly supervising with Prof. R.K. Das (Mechanical Engineering, IIT Dhanbad)

              Books Published:

• Editor in chief, Proceedings , ICAPIE 2016, International Conference on Advanced Production and Industrial Engineering, Dec 09-10, 2016, Organised by MPIAE DTU, Delhi, India.
• Editor in Chief , Book of Abstracts, ICAPIE 2016, International Conference on Advanced Production and Industrial Engineering, Dec 09-10, 2016, Organised by MPIAE DTU, Delhi, India.
• Editors :Advances in Renewable Energy Technology (Handbook) Amit Pal,Raj Kumar Singh,JP Kesari, RS Mishra: E-book ISBN: 978-93-5258-118-4 P-book ISBN: 978-93-5258-119-1.
• Editors Advances in Manufacturing (Hand Book) Prof R S Mishra, Ranganath MS,

Research Papers Published (Since-2013)

1.  International journals  : 250
2.  (ii)Proceedings (International/National): 75