निम्नलिखित में से किसने प्रबंधन और शिक्षा में 'मानव संबंध' (Human Relations) दृष्टिकोण की वकालत की थी?

Which principle of educational administration focuses on eradicating disparities between advanced and backward classes to ensure social development?

In the context of the Sarva Shiksha Abhiyan (SSA), which official functions as the chairperson for State Resource Group (SRG) meetings and leads implementation of DEP-SSA activities at the state level?