Vaisheshika Darshana mein Padartha Nirupana (Exposition of Categories in Vaisheshika Philosophy) is an encyclopaedic work dealing with the metaphysics of Vaisheshika system of Indian Philosophy. This work takes up an extensive study of the categories of Vaisheshika and deeply analyses each one of them in well-structured manner. This is the most comprehensive book in Hindi which brings out the important contribution of Vaisheshika philosophy in an authentic way. So far, no other work has presented all the aspects of Vaisheshika as a central theme with the detailed analysis of its subsidiary principles in such an inclusive style. This volume discusses the development of thought in Vaisheshika as well as the historical chronology of its scholars. It specially highlights the views of medieval thinkers of the Vaisheshika system who had hither to been ignored. The first edition of the present work was published from Publications Division, University of Delhi in 1992 and the second edition is now published through the scheme Republication of Unavailable and Rare Texts of the Rashtriya Sanskrit Sansthan, New Delhi. This work is an invaluable for the in-depth study of Vaisheshika philosophy and is worth to be obtained by every library and is a wealth of information for all the students of Indian philosophy.