Arrange the following phases in the evolution of public administration as a discipline in chronological order using the options given below:
1. Ecological approach
2. Principles approach
3. Politics-Administration dichotomy
4. Public Policy approach

A. 1 and 2 B. 2 and 3 C. 1 and 4 D. 2 and 4

A. Conduct of election to Parliament, State Legislatures, President and Vice-President B. Preparation of electoral rolls C. Counting of votes and declaration of results D. Declaring an election void

A. Appropriation Committee B. Committee of Ways and Means C. Committee of Supply D. Estimates Committee

A. Lal Bahadur Shastri B. Indira Gandhi C. Rajiv Gandhi D. V. P. Singh