1. IOR/L/PJ/11/9/570 Reference (shelfmark): IOR/L/PJ/11/9/570 Title: Duplicate Passport: Niyogy Sudhir Chandra [Mr] Scope & Content: Date of birth: 20 Dec 1899 Profession: Chemist Passport number: 487 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1940 Extent: Booklet