Professional Qualification:

• Post Doctoral Fellow, INRIA, Nancy, France.
• Ph.D, Production engineering (Title: Development of strategies for minimization of wastes in a manufacturing industry using Lean Paradigm), BIT Mesra.

Professional Experience:

• Associate Professor – (AL 13), Department of Production and Industrial Engineering, BIT Mesra, Ranchi [June’2010 – Present]
• Reader - Department of Production and Industrial Engineering, BIT Mesra, Ranchi[June 2007-May 2020]
• Sr. Lecturer - Department of Production and Industrial Engineering, BIT Mesra, Ranchi[Oct 2005- May 2007]
• Lecturer - Department of Production and Industrial Engineering, BIT Mesra, Ranchi[Feb 2003- Sept 2005]
• Research Associate - Department of Production and Industrial Engineering, BIT Mesra, Ranchi [April 2000 - 31/01/2003]

• Operations management
• Lean Manufacturing
• Six Sigma
• Supply Chain Management and Logistics
• Application of CI techniques in manufacturing
• Decision Modeling

Publications in SCI/Scopus-Indexed Journals

1. Agrawal, S., Tiwari, S.K. and Singh, R.K. (2025), Assessment of Agri-Food Supply Chain Challenges for Sustainable Production and Consumption. Sustainable Development. (SCI-8.2) https://doi.org/10.1002/sd.3554
2. Anand, A., Tiwari, S.K., Prakash, V., Singh, R.K. (2025), Optimising stir casting parameters for aluminium metal matrix composite fabrication: a hybrid approach. International Journal on Interactive Design and Manufacturing (IJIDeM), 19, 3933–3945. https://doi.org/10.1007/s12008-024-01895-y(Scopus).
3. Anand, S. K. Tiwari, V. Prakash, S. K. Gautam, A. Khalkho, R. K. Singh, 2024, Investigating the influence of ferric oxide grade alumino-silicate cenosphere particulates and heat treatment on the microstructural evolution and mechanical properties of Al6061/ferric oxide alumino-silicate cenosphere (x weight %) composite, Materialwiss. Werkstofftech.  55, 1562. https://doi.org/10.1002/mawe.202300416 (SCI)
4. Agrawal, S., Tiwari, S.K. & Singh, R.K. (2024), Empowering agriculture and food industry supply chains: a comprehensive study on blockchain technology enablers. Environ Dev Sustain. https://doi.org/10.1007/s10668-024-05315-9 (SCI -4.7)
5. Bipin Kumar Singh, Sujeet Kumar Gautam, Anshu Anand, Ritesh Kumar Singh, Sanjiv Kumar Tiwari, Amir Raza Subhani and Rajat Upadhyaya, (2024), Parametric study to investigate mechanical properties of welded dissimilar Al6063 and Al 7073 alloys through FSW process, Engineering Research Express, Volume 6, Number 3, DOI 10.1088/2631-8695/ad5f79 (Scopus).
6. Shraddha  Agrawal, Sanjiv  Kumar Tiwari, Ritesh  Kumar Singh, Kaushik  Kumar (2024), The impact of blockchain technology on supply chain efficiency: A review. E3S Web Conf. 552, 01013 DOI: 10.1051/e3sconf/202455201013(Scopus).
7. RK Singh, SK Tiwari, SC Srivastava, B Kumar, (2023), Hybrid Taguchi-GRA-CRITIC Optimization Method for Multi-Response Optimization of Micro-EDM Drilling Process Parameters, Tehni?ki vjesnik 30 (3), 804-814. DOI: https://doi.org/10.17559/TV-20220601114015 (SCI- 1.4)
8. Sujeet Kumar Gautam, Bipin Kumar Singh, Ritesh Kumar Singh, Sanjiv Kumar Tiwari, Rajat Upadhyaya, Himanshu Khandelwal, Gaurav Kumar, S M Mozammil Hasnain, Rustem Zairov, (2025),  Advancements in semi-solid metal processing of ADC12 aluminium alloy: Microstructure and mechanical properties, Results in Engineering, Volume 25, 104453, https://doi.org/10.1016/j.rineng.2025.104453.(Scopus)
9. SK Tiwari, RK Singh, B Kumar, (2022), Optimizing PM Intervals for Manufacturing Industries Using Delay-time Analysis and MOGA, Jordan Journal of Mechanical and Industrial Engineering, 16 (3). (Scopus)
10. Kumar, P., Pattanaik, L.N. & Singh, R.K. (2021). Simultaneous parametric optimization of micro-EDM drilling of brass C360 using Taguchi-based grey relation analysis. Engineering Review, 41 (1), 14-24. (Scopus) https://doi.org/10.30765/er.1377
11. V Prabhakar, A Sagar, R Singh, (2021), A comprehensive method for modeling leanness enablers and measuring leanness index in MSMEs using an integrated AHP-ISM-MICMAC and multi-grade fuzzy approach, International Journal of Six Sigma and Competitive Advantage,13 (1-3), 377-391.https://doi.org/10.1504/IJSSCA.2021.120238
12. S K Tiwari, Ritesh Kumar Singh, Sharad Chandra Srivastava, (2020), Implementing Lean Paradigm in an Indian Foundry Facility: A Case Study, International Journal of Services and Operations Management, Vol. 36, No. 1, 2020. (Scopus)   https://doi.org/10.1504/IJSOM.2020.106791    
13. Binay Kumar, Ritesh Kumar Singh, Surendra Kumar, (2018), Genetic Algorithm-based Multi-criteria Approach to Product Modularization, International Journal of Technology 9(4):775.  DOI : https://doi.org/10.14716/ijtech.v9i4.819
14. SK Tiwari, RK Singh, SC Srivastava, (2016), Reduction of Reworks in Green Sand Casting Process: A Six Sigma Prospective, International Journal of Applied Engineering Research (IJAER),   Volume 11, Number 5 pp 3141-3150.
15. Kapil Deo Prasad, Sanjay Kumar Jha, Ritesh Kumar Singh, (2016),  Implementation Of Quality Improvement Tools In Brassware Manufacturing Unit To Improve Quality & Enhance Productivity, International Journal of Applied Engineering Research (IJAER),  Volume 11, Number 5 pp 3580-3590.
16. SK Tiwari, RK Singh, SC Srivastava (2016), Optimisation of green sand casting process parameters for enhancing quality of mild steel castings, International Journal of Productivity and Quality Management 17 (2), 127-141. DOI: https://doi.org/10.1504/IJPQM.2016.074446
17. R.K. Singh and Lyes Benyoucef, (January 2013), “A consensus-based group decision making methodology for strategic selection problems of supply chain coordination”, Eng. Applications of Artificial Intelligence, Volume 26, Issue 1, Pages 122–134. DOI: https://doi.org/10.1016/j.engappai.2012.03.013
18. SK Tiwari, RK Singh, SC Srivastava, (July 2013)“Six Sigma Project Selection Using Extent Fuzzy AHP: An Empirical Study”, International Journal of Research in Industrial Engineering, 2 (2), 50-63.(Scopus)  
19. R.K. Singh and Lyes Benyoucef, (2012), “Fuzzy Logic and Interval Arithmetic Based TOPSIS Method for Multi-criteria Reverse Auctions",  Service Science, Vol. 4, No. 2, pp. 1–1, INFORMS, Social Sciences Citation Index (SSCI-1.885)

DOI: https://doi.org/10.1287/serv.1120.0009

20. R.K. Singh and Lyes Benyoucef, (2011) “A fuzzy TOPSIS based approach for e-sourcing”, Eng. Applications of Artificial Intelligence, 24, 437–448. (SCI-8) DOI: https://doi.org/10.1016/j.engappai.2010.09.006
21. Anoop Verma, Nishikant Mishra and R. K. Singh, (2011), “Effect of machine flexibility on the performance of FMS subjected to frequent breakdowns”, Int. J. Services Operations and Informatics, Vol. 6, Nos. 1/2, 45-70, Inderscience. https://doi.org/10.1504/IJSOI.2011.038314
22. R.K. Singh and Lyes Benyoucef, (2011), “Editorial”, Int. J. Services Operations and Informatics, Vol. 6, Nos. 1/2, 1-4. Inderscience. . https://doi.org/10.1504/IJSOI.2011.038314
23. M K Pandey, R K Singh, S Venkataramanaiah, and M K Tiwari, (2010), “Sequential metamodelling application to improve porthole die design”, J. Engineering Manufacture,  Vol. 224 (2), 279-294. (SCI- 1.9)  https://doi.org/10.1243/09544054JEM1472
24. R. K. Singh, Nitesh Khilwani, M. K. Tiwari, (2007), ^“ Justification for the Selection of Reconfigurable Manufacturing System: A Fuzzy Analytical Hierarchy Based Approach”  International Journal of Production Research, Vol. 45, N0. 4, pp. 3165-3190 (SCI- 8.8) https://doi.org/10.1080/00207540600844043
25. R.K.Singh; A.K.Choudhury; and M.K.Tiwari, (2007)”Improved Decision Neural Network (IDNN) based consensus method to solve a multi-objective group decision making problem” Advanced Engineering Informatics, Vol. 21, pp 335-348. (SCI-9.9) https://doi.org/10.1016/j.aei.2006.11.011
26. R.K.Singh, S.Kumar, Prakash, and M.K.Tiwari, (2006),  “Psycho-Clonal based approach to Solve a TOC Product Mix Decision Problem”, International Journal of Advance Manufacturing Technology, Volume 29, No- 11-12, 1194-1202. (SCI- 3.1) DOI 10.1007/s00170-005-0019-8
27. R.K.Singh, S.Kumar, A.K.Choudhury, and M.K.Tiwari, (2006), “Lean Tool Selection In A Die Casting Unit: A Fuzzy Based Decision Support Heuristic”, International Journal of Production Research, Vol. 44, No. 7, 1399-1429. (SCI-8.8) https://doi.org/10.1080/00207540500272980
28. M. Kumar, J. Antony, R. K. Singh, M. K. Tiwari and D. Perry, (2006), “Implementing the Lean Sigma Framework in an Indian SME: A Case Study”, Production Planning & Control, Vol. 17, No. 4 ,407 – 423. (SCI-7.8) https://doi.org/10.1080/09537280500483350
29. R.K.Singh, A.K.Choudhury; and M.K.Tiwari, R.S. Maull, (2006),  “An Integrated Fuzzy based Decision Support System for the Selection of Lean Tools: A Case Study from the Steel Industry” Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Volume 220, No. 10, 1735-1749. (SCI-1.9) https://doi.org/10.1243/09544054JEM494

Scopus Book Chapters

1. Singh, R. K., Tiwari, S. K., & Kumar, K. (2025). Multi-Product CONWIP System Performance Analysis: Modelling and Analysis. In O. Chiwaridzo & M. Dzingirai (Eds.), Strategic Repositioning in Times of Corporate Crisis: Green Management and Technology Adoption (pp. 273-302). IGI Global Scientific Publishing. https://doi.org/10.4018/979-8-3693-5912-9.ch011(Scopus)
2. Ranjan, C., Singh, R., & Kumar, K. (2024). Efficient Machining Strategies for Polymer Matrix Composites. In F. Cabrera & I. Hanafi (Eds.), Machining Polymer Matrix Composites: Tools, Techniques, and Sustainability (pp. 117-144). IGI Global Scientific Publishing. https://doi.org/10.4018/978-1-6684-9927-6.ch005 (Scopus)
3. Singh, R. K., Tiwari, S. K., & Kumar, K. (2024). Optimizing Ordering Policies for Bullwhip Effect Mitigation in a Simple Supply Chain Within the Framework of Industry 6.0. In A. Sharma, O. Moses, R. Sharma, & S. Gupta (Eds.), Sustainable Innovation for Industry 6.0 (pp. 143-166). IGI Global Scientific Publishing. https://doi.org/10.4018/979-8-3693-3140-8.ch009(Scopus).

4. SK Tiwari, RK Singh, SC Srivastava, 2022, An Integrated Lean Six Sigma Model for Enhancing the Competitive Advantage of Industries, Recent Advances in Industrial Production,  Lecture Notes in Mechanical Engineering, 437-448, https://doi.org/10.30765/er.1377 (Scopus)

Publication in other Journals

1.  ARPITA ROYCHOUDHURY &. R.K. SINGH Aug 2020, International Journal of Mechanical and Production Engineering Research and Development (IJMPERD) ISSN(P): 2249–6890; ISSN(E): 2249–8001, Vol. 10, Special Issue, 88–99
2. Kapil Deo Prasad, Sanjay Kumar Jha, Ritesh Kumar Singh, (2015), Understanding quality in home based brassware manufacturing units in India, ELK Asia Pacific Journals – Special Issue,  ISBN: 978-81-930411-4-7, 347-360.
3. S. K. Tiwari, R. K. Singh and S. C. Srivastava, (2015), Assessing the Success of Six Sigma: An Empirical Study, Asian Journal of Engineering and Applied Technology, Volume 4(1),  12-23. https://doi.org/10.51983/ajeat-2015.4.1.750
4. Binay Kumar, Ritesh Kumar Singh, S Kumar, Amit Kumar, (2014),”A product platform based approach for solving product demand uncertainty in a product family”, International Journal of Manufacturing Technology and Research, , Vol.10, No.2, 22-27.
5. KD Prasad, SK Jha, RK Singh, (2013) “Productivity Assessment of Utensils Manufacturing Unit: A Case Study”, International Journal of Innovative Research in Science, Engineering and Technology (IJIRSET), Vol. 2, Issue 6.
6. Binay Kumar, Ritesh Kumar Singh, S Kumar, (2013), “Design for variety in the Initial Stages of Product Development”, International Journal of Manufacturing Technology and Research, Vol 9,  No.2, pp 16-22.
7. Brijesh Ainapur, Ritesh Singh & P.R.Vittal, (2012) “Supply chain performance enhancement using TOC-Entropy-GP application”, The International Journal of Management, Vol: 1/Issue :4.
8. Brijesh Ainapur, Ritesh Singh & P.R.Vittal, (2012), “Selection of performance measurement metrics for foundry supply chain”, Indian foundry journal, Vol. 58, No. 6, pp. 44-51.
9. Binay Kumar, Ritesh Kumar Singh, S Kumar, (2012) “Conceptual methods for platform based modularization”, International Journal of Manufacturing Technology and Research, 2012, Vol.8, No.2, pp. 26-34.
10. R.K. Singh and Lyes Benyoucef, (2011), “Editorial”, Int. J. Services Operations and Informatics, Vol. 6, Nos. 1/2, 1-4.
11. Brijesh Ainapur, Ritesh Singh & P.R.Vittal, (2011) “TOC Approach for Supply Chain Performance Enhancement”, International Journal of Business Research and Management (IJBRM), Volume 2, Issue 4, 163-178.
12. Brijesh Ainapur, Ritesh Singh & P.R.Vittal, (2011)”Strategic Study on Enhancement of Supply Chain Performance”, International Journal of Business Insights and Transformation, Volume 5, Issue 1.
13. R.K. Singh and Lyes Benyoucef, (2010) “A Fuzzy Logic Based Approach for Resolving Multi-Issue Reverse Auction Problem of e-procurement”, International Journal of Manufacturing Technology and Research,  Vol. 6/No 2, 42-50.
14. S.Singh, R.K.Singh, A.K.Jha and S.Kumar, (May2001), “Sintered Preforms adds better value to Aerospace Structural Components” IE (I) Journal-AS, Vol 82, Page No. 1-6.

1. Fellow, Institution of Engineers (India)
2. Life Member, Indian Society for Technical Education

1. Development of a machine learning tool for reducing exposure to ESG risk, Funded by Asha & Sajjan Agarwal Foundation, Role: Co-P.I, Grant: Rs. – 1400000/-, Duration: 2025-2027

1. Ritesh Kumar Singh, Waste Free Manufacturing Using Lean Paradigms: Case Study of a SME LAP Lambert Academic Publishing (September 2011), ISBN-10 : 3845439874, ISBN-13 : 978-3845439877
2. Ainapur Brijesh, Singh Ritesh Kumar, Vittal P R, TOC  approach for supply chain performance enhancement, LAP Lambert Academic Publishing (30 October 2015), ISBN-10 : 3659719072, ISBN-13 : 978-3659719073
3. Surender Kumar, Ritesh Kumar Singh, Sanjay Kumar Jha, Value Engineering: A Fast Track to Profit Improvement and Business Excellence Hardcover, Narosa Publishing House (1 December 2004), ISBN-10 : 8173195781, ISBN-13 : 978-8173195785

Patent:

1.  A System for Optimizing Process Parameters of an Electric Discharge Machining (EDM) Apparatus. (Published)

Copyright:

Title: EDMOPTIMA (Registered)- Computer Software Work a System for Optimizing Process Parameters of an Electrical Discharge Machining EDM Apparatus