Administrative History of India, Constitution and Administrative, Union-State Relations in Federal polity, The Secretariatal Organisations of Union Government, Administrative Organisation and Working of Union Ministries, Executive Agencies and Commissions, Administration in States : Issues and Perspectives, District Administration and decentralised governance: from dyarchy to Self-Government, Civil Services in India, Police administration and criminal Justice system in India, Accountability and Democratic Administration in the Millennium, Fiscal Administration and budgetry system in India, Administration of welfare and development in India, Public enterprises in liberal economy of India, Administrative Reforms and Good Governance in India.