भारतीय संविधान के तहत राज्यसभा की अधिकतम सदस्य संख्या कितनी निर्धारित है?

Under which list of the Seventh Schedule of the Constitution of India does 'Economic and Social Planning' fall?

Which Article of the Indian Constitution, which was abrogated in 2019, had provided special status to the erstwhile state of Jammu and Kashmir?