Vellore Institute of Technology (VIT) is a private university located in&nbsp;Tamil Nadu, India. Founded in 1984, as Vellore Engineering College, the institution offers 20 undergraduate, 34 postgraduate, four integrated and four research programs. It has campuses in Vellore, Amravati, Bhopal and Chennai.

VIT is one of the top ranked private universities in India according to NIRF, THE and QS Rankings.&nbsp;Govt. of India has recognized&nbsp;VIT, Vellore as an&nbsp;Institution of Eminence. This has allowed VIT to take independent quality initiatives and move up in world ranking.

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VIT University

In dairy, where the product shelf life is too short, integrated production and distribution (P-D) planning is one of the important decision making area. This paper basically discusses one such P-D planning of an Indian milk industry. A three-echelon supply chain model is developed including suppliers, plant and retailers. Fluid milk products and milk made products are the two product families that are produced by the plant, where several important issues are considered with P-D planning like, deterioration rate of raw milk and final products, cost related issues of raw milk, transportation, collection, production, inventory, set up, and time related issues in late or early delivery of the final products to retailers. This model, in fact includes both production scheduling and distribution scheduling. A mixed integer linear programming (MILP) model is used to formulate the above situation to maximise the overall profit contribution of the business. The MILP is solved by using OPL language in CPLEX, and a comparison is made with the current business situation and the improved condition through sensitivity analysis of the collection; production and distribution parameters. Copyright © 2018 Inderscience Enterprises Ltd.

Department of Technology Management

School of Mechanical Engineering

Vellore Campus

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International Journal of Logistics Systems and Management

An integrated production-distribution planning of dairy industry - A case study

Integrated production-distribution planning has become a notable area of interest for researchers and practitioners in the last two decades. Transshipment is an important phenomenon in the planning especially when products are needed to be shared among different market locations. In this paper, a production-distribution planning model for a two echelon supply chain including plants-warehouses and customer regions are proposed, considering transshipment among the warehouses. The problem is described in two parts. In the first part a discussion on general transshipment problem is discussed and in the second part the model is modified for use in dairy industry as a special case. In dairy industry, the shelf life of the products is smaller as compared to other products. The primary objective of this paper is to minimise the total cost using some typical strategies, comprising of three conditions of production cost, i.e., at normal production rates, applying outsourcing and at over time production; inventory holding costs; backordering cost; changing workforce level; transshipment cost and transportation cost. Further genetic algorithm is used to find the solution to a specific case problem. Finally, some meaningful conclusions mere drawn. © 2017 Inderscience Enterprises Ltd.