Explanation:

- President: Not a regular attendee at Cabinet meetings. The President may chair a few sessions under special circumstances but does not attend regular Cabinet meetings.

- Cabinet Ministers: Regular attendees with the right to be present and participate in all meetings. They are part of the Union Cabinet and make decisions on important policies and issues.

- Ministers of State: Typically do not attend Cabinet meetings unless specially invited. Their role is often limited to assisting Cabinet Ministers.

- Deputy Ministers: Usually do not attend Cabinet meetings. Their primary role is to support senior ministers and not participate in high-level decision-making.