Consider the following statements: The obligations of public authorities under RTI Act, 2005 include: 1. It shall publish the powers and duties of its officers and employees. 2. It shall publish the procedure followed in its decision-making process, including channels of supervision and accountability. 3. It shall publish the norms set by it for the discharge of its functions. 4. It shall publish the rules, regulations, instructions, manuals and records used by its employees for discharging its functions. 5. It shall not publish the statement of the categories of the documents held by it or under its control. Which of the above statements are correct?