Welcome to
Assam Single Window Portal
Investment Portal
Assam 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 Assam Single Window Portal covers 200+ services encompassing 40+ Government departments/ agencies with an aim to improve Ease of Doing Business (EoDB) for investors in Assam, and make the G2B interface faceless, paperless and contactless
Click here for login/registration guidelines.
We are upgrading to e-Pramaan Single Sign-On (SSO) for a more secure and unified login experience.
- If you are already registered with e-Pramaan, you can log in directly using your e-Pramaan credentials.
- If you do not have an e-Pramaan account, please register using your EoDB-registered email ID and mobile number.
👉 While registering, please ensure that your email ID is used as the username in e-Pramaan, and it matches your EoDB login email ID.
⚠️ Important: If a different email/username is used during e-Pramaan registration, your existing EoDB account cannot be linked, and the linking process will fail.