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Abstract
The construction industry is one of the main sector that caters important ingredients for the development of an economy in a nation. It is creating large number of job opportunities, innovating ideas and knowledge. But due to hike in money value for materials causing delays in completion time of each project. There is some methodology which helps to predict the price escalation during planning stage. Construction materials and they are classified according to ABC classification. From the ABC classification we took seven materials that mostly affected the total cost of the project, the materials are cement, steel, fine aggregate, coarse aggregate, brick, flooring tile and wood. Then found out the past unit price (MRP) history for 10 years. For this we have chosen few companies randomly from districts in Kerala and captured data and founded their price fluctuation in each materials as well as their weightage of each year. After that with the help of SPSS (statistical package for the social sciences tool) forecasting tool we predicted the price from the year 2020 to 2025 by considering the maximum upper confidence limit price for each material. The price of considered material have a price hike in between 0% to 15% from 2010 to 2019 excluding the flooring tile as it have a price drop of 1% to 4% in five different districts in Kerala. From the prediction we have concluded that all the materials have a price hike of 1% to 4% but the tiles have a drop of 1% to 2%. It is because of the maximum upper confidence limit price. Finally the construction materials are prepared according to their percentage contribution to the total cost of project different years