Ph.D - National Institute of Technology, Tiruchirappalli - 2018
M.Tech. -Industrial Engineering - National Institute of Technology, Tiruchirappalli - 2012
B.Sc (Engg.)- Production Engineering - BIT Sindri, Dhanbad - 2007
Memberships & Society
International Association of Engineers (IAENG) - 244417
Current Administrative Responsibility
PI- Blacksmithy Shop
Assistant Professor - Department of Mechanical Engineering - NIT Patna - 14.02.2020*
Assistant Professor - Department of Production Engineering - BIT Mesra - 05.01.2018 to 12.02.2020
Temporary Faculty - Department of Production Engineering - NIT Tiruchirappalli - 02.09.2013 to 30.04.2014
Alok Raj, Gourav Dwivedi, Ankit Sharma, A., de Sousa Jabbour, A. B. L., & Sonu Rajak , Barriers to the Adoption of Industry 4.0 Technologies in the Manufacturing Sector: An Inter-Country Comparative Perspective. International Journal of Production Economics. 224 - 2020,107546, 10.1016/j.ijpe.2019.107546.
Sonu Rajak, P. Parthiban*, R. Dhanalakshmi , Multi-Depot Vehicle Routing Problem Based on Customer Satisfaction. International Journal of Services Technology and Management. 26(2-3) - 2020,252-265, 10.1504/IJSTM.2020.106693.
Vimal K.E.K., Sonu Rajak, Jayakrishna Kandasamy , Analysis of network design for a circular production system using multi-objective mixed integer linear programming model. Journal of Manufacturing Technology Management . 30(3) - 2019,628-646, 10.1108/JMTM-02-2018-0058.
Sonu Rajak, P. Parthiban*, R. Dhanalakshmi , A Hybrid Metaheuristics Approach for a Multi-Depot Vehicle Routing Problem with Simultaneous Deliveries and Pickups. International Journal of Mathematics in Operational Research . 15(02) - 2019,197-210, 10.1504/IJMOR.2019.101619.
Anhad Malhotra, Sonu Rajak *, Sanjay Kumar Jha , An Eco-Innovative Green Design Method by QFD and TRIZ Tools- A Case Study of Brass-Ware Manufacturing. Pertanika J. Sci. & Technol. . 27(4) - 2019,2109 - 2121, .
Sonu Rajak, P. Parthiban*, R. Dhanalakshmi , Selection of Transportation Channels in Closed-Loop Supply Chain using Meta-Heuristic Algorithm. International Journal of Information Systems and Supply Chain Management . 11(3) - 2018,64-86, 10.4018/IJISSCM.2018070104.
Sonu Rajak, P. Parthiban*, R. Dhanalakshmi, Sujith. S , Multi-Objective Optimization for the Vehicle Routing Problem using Metaheuristics. International Journal of Enterprise Network Management . 09(02) - 2018,117-128, 10.1504/IJENM.2018.093706.
Sonu Rajak, P. Parthiban*, R. Dhanalakshmi , Sustainable transportation systems performance evaluation using fuzzy logic. Ecological Indicators. 71 - 2016,503 –513, 10.1016/j.ecolind.2016.07.031.
Sonu Rajak, S. Vinodh , Application of fuzzy logic for social sustainability performance evaluation: a case study of an Indian automotive component manufacturing organization. Journal of Cleaner Production. 108 - 2015,1184-1192, 10.1016/j.jclepro.2015.05.070.
P. Parthiban, Sonu Rajak*, R. Dhanalakshmi , Genetic Algorithm to Solve a Common Depot and Multiple Customers based Vehicle Routing Problem. International Journal of Applied Engineering Research. 10(24) - 2015,21019- 21024, .
Sonu Rajak, P. Parthiban*, R. Dhanalakshmi , A DEA model for evaluation of efficiency and effectiveness of sustainable transportation system: a supply chain perspective. International Journal of Logistics Systems and Management. (Accepted)10.1504/IJLSM.2020.10026167.
Sonu Rajak, P. Parthiban*, R. Dhanalakshmi , Horizontal Collaboration in Oligopoly Supply Chains. International Journal of Services and Operations Management . (Accepted).
Sonu Rajak*, Prabhakar Vivek, Sanjay Kumar Jha , Application of VIKOR for the Selection of Material for the Green and Sustainable Construction, International Conference on Innovative Product Design and Intelligent Manufacturing Systems-2019. NIT Rourkela,May 17-18 - 2019, .
Sonu Rajak, P. Parthiban, R. Dhanalakshmi , A Hybrid Optimization Approach for the Multi-Depot Pollution-Routing Problem with simultaneous deliveries and pickups, International Conference on Contemporary Design and Analysis of Manufacturing and Industrial Engineering Systems. NIT Tiruchirappalli,Jan. 18-20 - 2018, .
Sonu Rajak, P. Parthiban, R. Dhanalakshmi , Vehicle Routing Problem with Simultaneously Pick-Up and Delivery Based on Customer Satisfaction, International Conference on Contemporary Design and Analysis of Manufacturing and Industrial Engineering Systems. NIT Tiruchirappalli,Jan. 18-20 - 2018, .
Sonu Rajak, P. Parthiban, R. Dhanalakshmi , A Hybrid Metaheuristics Approach for a Multi-Depot Vehicle Routing Problem, 6th International & 27th All India Manufacturing Technology, Design and Research. College of Engineering, Pune,Dec. 16-18 - 2016, 978-93-86256-27-0.
Sonu Rajak, V Pakkirisamy, Mani Raj , Optimization of Reconfigurable Manufacturing Systems Using Memetic Algorithm, International Conference on Advances in Industrial Engineering Applications. Anna University, Chennai,Jan. 6-8 - 2014, .
Sonu Rajak, V Pakkirisamy, M. ManiRaj , Process Planning in Reconfigurable Manufacturing System Using Particle Swam Optimization, International Colloquium on Materials, Manufacturing and Metrology. IIT Madras,Aug. 8-9 - 2014, .
P. Parthiban, Sonu Rajak, R. Dhanalakshmi , Ant Colony Optimization Algorithm to Solve a Vehicle Routing Problem, , International Conference on Advances in Design &Manufacturing. NIT Tiruchirappalli,Dec. 05-07 - 2014, 978-93-84743-12-3.