भारत की निम्नलिखित में से कौन सी पंचवर्षीय योजना महालनोबिस मॉडल पर आधारित थी?

What is one of the principal objectives of planning in underdeveloped countries?

Which of the following is NOT an objective of economic planning?

The type of planning where the Central Planning Authority decides every aspect of the economy, setting targets and processes that must be strictly followed, is called: