________________ PREFACE It is our great pleasure to publish pandit Vamadhvaja's 'Sanketa' commentary on 'Nyayakusumanjali' of the great philosopher Udayanacarya. This commentary was hitherto unpublished. It's only plam-leaf manuscript is preserved at the distinguished manuscript depository 'Hemacandracarya Jaina Jnana Bhandara', Patan in Gujarat. The current commentary is edited through that manuscript. 'Sanketa' is a very lucid commentary on 'Nyayakusumanjali'. Prof. Nagin J. Shah, who is a renowned scholar of Indian Philosophy, is the editor of present work, He has edited and translated a large number of works. The institute is grateful to him for despite his advancing years and frail health he has prepared such an excellent edition. Through the publication of this work the scholars of Indian Philosophy will be benefitted. We are also thankful to Harjibhai who has printed the present edition. 2013, Ahmedabad Jitendra B. Shah