What is the School Development Plan that the SMCs will prepare?

It is elaborated in Model Rule 14. It will be a three year plan estimating student strength, teacher requirement under the prescribed PTR, additional infrastructural, financial requirements and so on. The requirement is that the combined school development plans of a local authority will identify requirements in a bottom up decentralized manner, for each panchayat, rather than in a top down centralized manner, as is the common practice.