Hindi text book on comparative philology and linguistics. This book is one of the earliest works on philology in any Indian vernacular language. It used as a text book of philology and linguistics in the undergraduate and post graduate classes under the University of Calcutta. Date of original material: 1983 [Sambat] (Bikram [Sambat] or [B. S.]) 1926. Calendar/Era: Hindi Calendar/Sambat (or Bikram Sambat). Extent and format of original and physical characteristics: Printed book in Hindi; Brittle and damaged by the book-worms. The original volume with length of 19 cm. Author: Nalinimohana Sanyala Bhashatattvaratna; Publisher: Prayag: Indian Press Limited.