Diamond Harbour Line Railway
The construction of a dock at Diamond Harbour with a railway to be called the ‘Calcutta and Diamond Harbour Railway’ to the bonded warehouses in Calcutta was first proposed in a Report from 1838 - see separate page for details
The ‘Calcutta and Diamond Harbour Dock & Railway Co Ltd’ was formed in 1845, a survey was undertaken but the construction was delayed. Land was allocated by the Government in 1853-54 . However the Company did not proceed with the construction.
In 1852-53 the ‘Diamond Harbour Scheme for railway communication with Calcutta’ proposal was put forward for consideratrion 
- "Railway Raj Safari 1a" by Keith Scholey
- Wikipedia "Sealdah South lines" Retrieved on 5 Apr 2016
- British Library ‘India Office Records’ Z/E/4/24/C182; "Calcutta, Railways, Line to Diamond Harbour not to be undertaken by Government but land to be granted to private individuals for", 1853-54
- British Library ‘India Office Records’ IOR/E/4/819, pp229-231 “Docks and Harbours, Diamond Harbour, Scheme for railway communication with Calcutta”, 1852,53