The aim of the five year plans was to bring development in India across different sectors. You can read about the National Institution for Transforming India (NITI Aayog) – A Brief Overview in the given link.

Further readings:

Related Links
Previous Years Economic Mains Questions for UPSC GS-3	National Development Council (NDC) – Powers, Functions and Responsibilities
Difference between NITI Aayog (National Institution for Transforming India) and Planning Commission	Economics Notes For UPSC
Economic Planning in India – List Of Five Year Plans In India, History & Objectives	Topic-Wise GS 3 Questions for UPSC Mains