Responsibility refers to administrations responsiveness to public will, accountability refers to means of enforcing responsibility. Responsibility is subjective, accountability is objective.
Control is performed simultaneously as work is done. Accountability is enforced by means of control. Purpose of control is to ensure that administrator's exercise their powers , discretion within the law. Instruments of administrative control are to safeguard rights, liberties, without curbing power, discretion of public servants.
Legislative control:
Budgetary system: Departments have to get demand for grants approved by the respective departmental committees. The committees have to approve these grants within a time frame before they go to parliament for vote. Parliament can make cut motions to change these.
Audit System: CAG audits all accounts of government entities and submits report to parliament. It highlights improper, illegal, unwise, uneconomical expenditure of government. Thus financial accountability to government is secured.
Committees of Parliament: