निम्नलिखित में से कौन भारत की दूसरी पंचवर्षीय योजना (1956-1961) के मुख्य वास्तुकार थे?

During which Five-Year Plan of India was the construction of the Hirakud Dam in Odisha initiated?

In which Five Year Plan of India was the famous slogan 'Garibi Hatao' (Remove Poverty) officially incorporated as a major focus?

The Second Five-Year Plan (1956–1961) of India was primarily geared toward the development of: