Tamil Nadu Single Window Portal is a one-stop portal for investors to electronically secure all business-related approvals/ licenses/ clearances/ NOCs in a time-bound, transparent and hassle-free manner. The Tamil Nadu Single Window Portal covers 200+ services encompassing 40+ Government departments/ agencies with an aim to improve Ease of Doing Business (EoDB) for investors in Tamil Nadu, and make the G2B interface faceless, paperless and contactless