Rationality of religion is the philosophical investigation of the significance and nature of religion. It incorporates the investigations of religious ideas, convictions, terms, contentions, and practices of religious followers. The extent of a great part of the work done in theory of religion has been restricted to the different mystical religions. Later work frequently includes a more extensive, more worldwide approach, contemplating both mystical and non-mystical religious customs. The scope of those occupied with the field of rationality of religion is wide and various and incorporates scholars from the investigative and mainland conventions, Eastern and Western masterminds, religious devotees and freethinkers, doubters and agnostics. Rationality of religion draws on the greater part of the real regions of logic and also other pertinent fields, including religious philosophy, history, humanism, brain research, and the regular sciences.