This plan was a landmark contribution to development planning in general and it laid down the basic ideas regarding the goals of Indian planning. Identify the plan referred to here?

Second Five Year Plan

Planning, in the real sense of the term, began with the Second Five Year Plan. The Second Plan, a landmark contribution to development planning in general, laid down the basic ideas regarding goals of Indian planning; this plan was based on the ideas of Mahalanobis. In that sense, he can be regarded as the architect of Indian planning.