If you are a learner, a professional or a consultant in the area of project or program management, whether on-site or off-site and struggling to make smart decisions that are analytical and cogent, then you are looking at the right book! Yes, DECIDE is a book in which the author expounds how to leverage Operations Research techniques in addressing various decision issues, practically faced by a project manager or an organization on the ground. Each type of decision problem, be it under certainty, risk or uncertainty, be it of single criterion or of multiple criteria, is illustrated with a live example from a cache of over four decades of project management experience of the author. Do not worry if you are not a mathematician or an operations research specialist! The book illustrates the problems in a very simplified and lucid manner so that you can understand and use it in your decision making situations easily!