BITS Faculty Publications
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Item Application of Optimization and Statistical Techniques in Post-Harvest Supply Chain: A Systematic Literature Survey(CRC Press, 2021) Garg, Girish Kant; Routroy, SrikantaThe objective of this literature survey is to address the utility and potential of optimization, statistical surveys and mathematical research into post-harvest supply chains (PHSCs) to reduce losses. Empirical approaches have always helped to understand a generic issue with a specific perspective to highlight the shortcomings with the existing practice. The optimization approaches are used in the PHSC literature to design an optimum system to enhance revenues and to minimize losses. The existing PHSCs in developing countries such as India suffer enormous losses – e.g., revenue losses, physical damage of produce, microbial losses, qualitative losses, quantitative losses, etc. – in the absence of market prospects due to inefficient packaging for transportation and handling. This study covers a systematic literature survey covering the mathematical, statistical and optimization research performed in the field of PHSC and critical analysis to highlight the key aspects covered in the literature and their future scope.Item Risk Propagation Modelling for Agri-Food Supply Chain: An Indian Perspective(CRC Press, 2023) Routroy, SrikantaThe structure of agri-food supply chains (AFSCs) is getting increasingly complicated and therefore, more susceptible to various risks. Therefore, the associated risks with AFSCs must be efficiently managed to improve supply chain performance. In order to understand the risk propagation in the AFSC, a framework based on the identified risk factors is proposed in the current study. Risk assessment studies through the model to predict the impact of risk factors on supply chain performance are limited in previous studies. The goal of the present study is the risk factors identification to create a tool for assessing and determining the risk exposure to AFSC in India. The risk factors are identified through expert interviews and literature reviews. The proposed risk network illustrates the basic framework of associated risk factors in AFSC in India. The supply chain executives can anticipate the likelihood of any potentially disruptive risk factors in AFSC with suggested framework.Item Impact of External Risk Factors on Indian Road Construction Supply Chain Performance(Taylor & Francis, 2023) Routroy, SrikantaIntegration of supply chains is one of the most important parameters in managing a road construction project. While the concept of ‘supply chain’ has been around for some time, its specific applications in large projects such as road construction projects are still not well-understood. Although few studies have been carried out on the construction supply chain in India, it is at a nascent stage for Indian road projects. A significant amount of research needs to be carried out in the construction supply chain in India and for road projects along with enablers, impediments, and risks in specific. The sample survey questionnaire for the identification of risks in the construction supply chain for Indian road projects related to various identified potential areas is developed based on a literature review and information collected during focused group discussions with different stakeholders such as suppliers, Government officials, concessionaire, consultants, contractors, and users. Ten risks were identified via a literature review and discussion with fifty experts in the Indian Road Construction Industry. As per the opinion of industry experts and twenty-two years of experience of the author, these risks are further divided into two types, internal risk, and external risk. The objective of this study is to understand the impact of external risk on the performance of construction supply chain management for Indian road projects.Item Value stream map and supply chain interdependencies in India - Surimi case - OC2020 A-010(SINTEF, 2019) Dasgupta, Mani Sankar; Routroy, SrikantaThis report is a part of WP1 in the Revalue project and presents the findings from process mapping of the Surimi value chain in India. There are many factors which have been identified as critical in maintaining fish and RRM quality. These include fragmented ownerships, fishing area identification, fishing boat and its capacity, boat unloading time and practice, absence of real time information sharing, visual inspections of fish quality at various stages, non-standard cold chain, lack of temperature measurement system, distributed location of operations etc. It was concluded from the process flow charts and cost-responsiveness analysis that the existing Surimi supply chain performance in India can be improved by removing the manual touch points and non-value-added activities. This will have positive impacts on the raw material quality and refrigeration required in the system proportionately.Item Application of Optimization and Statistical Techniques in Post-Harvest Supply Chain(CRC Press, 2021) Routroy, Srikanta; Garg, Girish KantThe objective of this literature survey is to address the utility and potential of optimization, statistical surveys and mathematical research into post-harvest supply chains (PHSCs) to reduce losses. Empirical approaches have always helped to understand a generic issue with a specific perspective to highlight the shortcomings with the existing practice. The optimization approaches are used in the PHSC literature to design an optimum system to enhance revenues and to minimize losses. The existing PHSCs in developing countries such as India suffer enormous losses – e.g., revenue losses, physical damage of produce, microbial losses, qualitative losses, quantitative losses, etc. – in the absence of market prospects due to inefficient packaging for transportation and handling. This study covers a systematic literature survey covering the mathematical, statistical and optimization research performed in the field of PHSC and critical analysis to highlight the key aspects covered in the literature and their future scope.Item The impact of co-creation and co-invention in supply chains: a bibliometric review(Emerald, 2022-11) Routroy, SrikantaCo-creation and co-invention are two diverse spheres in modern-day supply chains. Despite literature suggesting the existence of similar coherence between these concepts, the availability of published theory favoring these ideal lacks justification. This research aims to investigate the correlation and convergence of these well-known concepts to support a combined impact on research.Item Analyzing the Product Substitution Approach in a Two-Stage Supply Chain(IUP, 2013-06) Routroy, SrikantaProduct substitution refers to the use of product configuration Y to satisfy the demand for product configuration X when there is a stock-out for product configuration X in a multi-product configuration environment. Both product configuration X and Y are from the same product family where product configuration Y is higher in comparison to X. In this paper, a simulation model is developed for a two-stage supply chain for a multi-product configuration environment to study the impact of product substitution on supply chain performance along different dimensions and to determine the suitability of product substitution approach in a specific supply chain environment. Regression analysis is also carried out to establish the relationship between output parameters (i.e., total profit and product fill rate) and various input parametersItem Analysis of Agility Performance of Supply Chain: A Case Study on Indian Automotive Manufacturer(IOP, 2018) Routroy, SrikantaManufacturing companies should understand the changing customer needs and expectations, access and defend the competitive pressure, anticipate and manage the uncertain demand and supply chain risk, and implement the appropriate technology to survive and excel in today's marketplace. Therefore, they are moving away from mass production (i.e. lean supply chain) to one based on fast-responsiveness and flexibility, capitalizing on the rapid advancement in internet technologies and factory-on-demand mode of production (i.e. agile supply chain). It is observed that manufacturing companies in India in general and automotive supply chain in specific are compelled to cultivate supply chain agility for enhancing its performance level on continuous basis and comparing its supply chain agility performance with competitors to survive and sustain in the competitive business environment. Therefore, a methodology is proposed to evaluate the supply chain agility of a manufacturing supply chain and compare its performance level with competitors using Fuzzy Analytic Hierarchy Process and Taguchi Loss Function. A case study is developed and the proposed methodology is applied to Indian automotive supply chain for explaining the salient features of it.Item An approach to address principal supplier development impediments(Emerald, 2017-07) Routroy, SrikantaThe purpose of this paper is to assist a manufacturer for determining the principal supplier development impediments (SDIs) that are affecting the supplier development programs (SDPs) and yield a basis for drawing the appropriate mitigation strategiesItem Study of one way product substitution on supply chain performance(Inder Science, 2011) Routroy, SrikantaIn today’s competitive and dynamic business environment, companies are forced to find all the ways to enhance the product availability, increase the product variety and reduce inventory to achieve better performance in the supply chain. One may go for one way product substitution in the supply chain for increasing product availability and supply chain profit. A simulation model considering both, with product substitution and without product substitution, is developed in ARENA in order to study the impact of one way product substitution on supply chain performance. A numerical example is presented and sensitivity analysis is also carried out.