Ongoing technological, societal, and economic changes are accelerating the tendency for employees to switch and increasing the intensity with which firms compete over high caliber talent. Additionally, employees have become increasingly strategic in managing their careers by building human capital and developing relationships, which allows them to increase their inter organizational mobility and to capture a greater share of economic rents that they help to create. The present study is an attempt to analyze the impact posed by internal mobility on organizational effectiveness of commercial banks in Coimbatore city. The result showed there was a collision between the internal mobility and organizational effectiveness in the commercial banks.