There are several measures that can be taken to increase the accountability of public officials:
Transparency: One of the most effective ways to increase accountability is to increase transparency. This can be achieved by requiring officials to disclose their financial interests, publishing public records, and ensuring that meetings and decision-making processes are open to the public.

Ethics and codes of conduct: Establishing codes of conduct and ethical standards can help to ensure that public officials behave in a responsible and ethical manner. This can be achieved through the development of clear guidelines and principles for ethical behavior, as well as training and awareness-raising programs for public officials.

Strengthening anti-corruption measures: Implementing measures to prevent and detect corruption can help to reduce opportunities for unethical behavior. This can include measures such as whistleblower protections, conflict of interest policies, and asset disclosure requirements for public officials.

Whistleblower protection: Encouraging and protecting whistleblowers who report corruption or unethical behavior can help to increase accountability. This can be achieved by enacting laws that protect whistleblowers from retaliation, providing support and resources for whistleblowers, and ensuring that reports of wrongdoing are thoroughly investigated.

Independent oversight: Establishing independent oversight mechanisms, such as anti-corruption commissions or ombudsmen, can help to ensure that public officials are held accountable for their actions. These bodies can investigate complaints of corruption or other misconduct, and have the power to make recommendations or take action to address any wrongdoing.

Enforcement and sanctions: Establishing strong enforcement mechanisms and sanctions for public officials who engage in corrupt or unethical behavior can help to deter misconduct and ensure accountability. This can be achieved through the development of laws and regulations that define and prohibit corruption, and through the use of criminal and civil penalties for offenders.

Citizen participation: Encouraging and facilitating citizen participation in governance processes can also help to increase accountability. This can be achieved through mechanisms such as public consultations, participatory budgeting, and citizen monitoring of public services.