20 Goyenda Upanyas by Swapan Kumar Bangla digital book pdf e-book name- 20 Goyenda Upanyas Author name- Swapan Kumar (Samarendra Nath Pandey) Book genre- Bangla Detective File format- PDF PDF size- 28mb Pages- 634 Quality- good, no watermark Samarendra Nath Pandey was born on October 26, 1927, his other identity- a detective story writer Swapan […]