1. IOR/L/PJ/11/4/2799 Reference (shelfmark): IOR/L/PJ/11/4/2799 Title: Duplicate Passport: Das Basonta Kumar [Dr] Scope & Content: Date of birth: 11 Mar 1897 Profession: Professor of Zoology Passport number: 2963 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1935 Extent: 1 booklet