The Directorate General of Human Resource Development goal of the CBIC is to optimize revenue collection through broadening the tax base, rationalizing tax structure, simplifying procedures, improving voluntary compliance and providing an efficient and responsive tax administration. In order to meet this goal, the DG (HRD) strives to develop a skilful, productive, healthy, efficient and diverse work force with highly effective supervisors, managers and leaders. DGHRD has 4 wings.