Which branch of Public Administration is primarily concerned with change-oriented and goal-oriented objectives to achieve socio-economic progress?

The concept of 'Development Administration' in India gained major prominence during which Five-Year Plan?

Development administration is characterized as:

Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): Only through an effective administrative system can goals of socio-economic development and nation-building be achieved. Reason (R): The role of bureaucracy as an agent of socio-economic change becomes crucial in the development process. In the context of the above statements, which of the following is correct?