Dr. Debashis Dutta is a Professor  in  the Department  of  Mathematics,  National  Institute  of Technology,  Warangal, India.  He obtained his M.Sc  in  Mathematics in 1988, and Ph.D. in Operations Research from IIT Kharagpur in 1994. He  has  teaching  experience  of  25  years  and  research experience  of  29  years. He  has supervised five Ph.D students and 49  post-graduate dissertations. He has successfully completed 2 sponsored research projects by MHRD. He is a member of ISTE, APSMS and SDSI. Dr. Dutta is a reviewer of 9 journals and is on the editorial board of 2 journals. He  has  published  35  articles  in  international journals, 6 in national  journals, and has also authored 4 books. He  has  organized two short term training programs in Statistics and Optimization Techniques.   Dr.  Biswajit  Mahanty  is  a  Professor  at  the  Department  of  Industrial  and  Systems Engineering  at  the Indian Institute of Technology (IIT)  Kharagpur, India.  In the recent  past,  he  was Dean  (Planning  and Coordination) at IIT Kharagpur. He obtained his B.Tech (Hons) in Mechanical Engineering, and  his  M.Tech and Ph.D  in  Industrial  Engineering  and  Management, all from IIT Kharagpur. He has had a varied professional career with over six years  of  industrial  experience  and  28  years  of  teaching,  research,  and  industrial consulting experience. His areas of interest include supply chain management, e-commerce, transportation science,  technology management, software project management, and system dynamics. He  has  guided  15  doctoral  and more than 150 undergraduate  and  post-graduate  level  dissertations. Dr. Mahanty has  also  carried  out  more  than  20  industrial consulting  projects  and  10  sponsored  research  projects.  He  has more than  100  publications  in  national  and  international  journals  and  conferences  of repute. He has authored a book titled "Responsive Supply Chain" by CRC press. He has also taught at the School of Management at AIT, Bangkok as a visiting faculty member. He is on the editorial board of the journal Opsearch published by the Operational Research Society of India.