1. IOR/L/PJ/11/5/2839 Reference (shelfmark): IOR/L/PJ/11/5/2839 Title: Duplicate Passport: Chakravarty Bibhuti Bhusan [Mr] Scope & Content: Date of birth: 13 Feb 1907 Profession: Chemical Engineer Passport number: 3503 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1936 Extent: 1 booklet