DG FIA’s powers cannot be transferred to any member of the agency
Some powers of the DG FIA can be exercised by additional DGs if the order is passed by DG in writing
All or any powers of the DG FIA can be exercised by additional DGs if the order is passed by DG in writing
All or any powers of the DG FIA can be exercised by any member of the agency if the order is passed by DG in writing