Abstract: There is a negative perception towards the productivity of the government sector organizations in the general public in Sri Lanka. This paper discusses the wastes in the OTPP of the University of Kelaniya, Sri Lanka. The purpose of this study is to improve the productivity by eliminating waste and improving efficiency in the University OT payment process. The key objective of this particular study is to explore the possibility of re-engineering the existing OTPP that is leading to reduce the Lead Time (LT). There are four specific objectives viz., 1) to recognize the existing OTPP, 2) to understand the bottle necks of the existing OTPP; 3) to understand the existing rules and procedures belongs to the payment of OT, 4) to identify ways and methods to overcome barricades leading to delaying OTPP. Ten numbers of individuals, twenty five OT vouchers and three hubs of the OT payment process were selected for the sample study. As the nature of the study simple random sampling technique as well as the purposive sampling technique were associated to select ten numbers of individuals appropriately. Data were collected in relation to seven types of wastes, time in minutes, distance in footsteps and numbers were used to measure the data applicably.