The Factories Inspectorate has been renamed as “Directorate of Industrial Safety and Health” The Issued GO Ms.No.94 Dated 7th march 2013 says, the change of Names and re Designation of the Existing Designations. The Chief Inspector of Factories is re Designated as Director of Industrial Safety and Health. For More information refer the Shared Link of GO.
Link: http://www.tn.gov.in/gosdb/gorders/labour/labemp_e_94_2013.pdf
I Thank Mr. SundarRaman B for sharing this with me through Email.