INTRODUCTION Tattvasa:rikhyana is one of the ten monographs (prakaraI}.as) which the Acarya has written. It is concerned with the enumeration of the categories (tattvas) accepted in Dvaita Vedanta. There is also another work on the same subject known as Tattva- viveka by the Acarya. I t is a collection of extracts from a work of the same name by Bhagavan Vedavyasa in support of what has been stated in Tattvasankh- yana. The present work starts by c] assifying the categories under two main heads, the Independent and the dependent. There is only one Independent Tattva and that is Bhagavan VilJ.u and all else being in every way dependent on Him comes under the second head. At the outset J ayatirtha raises a question. Why has not the author performed some maIigala at the commencement of the work? Mangala is an act performed in the beginning to remove obstacles and successfully complete the work undertaken. I t is generally in the form of prayer to a favourite Deity. The commentator answers the objection he has himself posed by pointing out that the mere fact of there being no mangala recorded in the work, is no indication that it has not been performed. It is possible to' do it in other ways as for instance mentally. It may be asked , How is one to know that it has been so perfored?' We have to presume that the venerable Acarya, a firm believer in the efficacy of Vedic practice has not
