- Number of Factories, Capital Invested and Number of Persons Employed in Howrah District of West Bengal (2009-2010)
- Average Daily Number of Workers Employed at Registered Factories in Howrah District of West Bengal (2010)
- Number of Registered Factories in Howrah District of West Bengal (2010)
- Number of Registered Factories and Workers Employed Daily therein in Howrah District of West Bengal (2010)