The CERSAI registry is a database of all instances of companies registered with the Registrar of Companies. The portal provides an online interface for users to check the status of their company registration and also to view any filings made by the company. The portal is maintained by the Ministry of Corporate Affairs (MCA), which is the nodal agency for company incorporation and regulations in India. CERSAI login is a simple and straightforward process. All you need is your PAN number and date of birth. Once you have these two pieces of information, you can proceed to login. After successful login, you will be able to view your account information and transact on the CERSAI website.