Consider the following statements about NATGRID is/are correct?
- NATGRID allows authorised security agencies to access multiple government and private datasets on a single platform.
- Access to NATGRID is now available to state police officers of SP rank and public or private research institutions.
- Accessing NATGRID requires registration of an FIR before data can be retrieved.
- NATGRID was first conceptualised after the 26/11 Mumbai terror attacks.
How many of the above statements are correct?