Panchti Oitihasik Upanyas By Sri Parabat is one of a great literary work in Bengali literature. The prominent Bengali language writer Sri Parabat wrote this fabulous book. Thanks to him for writing such a great book for us. This book has great popularity in Bengali literature, and that’s why I have collected a free PDF copy of it. This book was initially published in 2010 by the Aporna books publication. It has a total of 456 pages. Read it online or, download a PDF copy from the below link.