How does Article 253 relate to the powers granted under Article 249 and Article 250?
Article 253 relates to the powers granted under Article 249 and Article 250 by allowing Parliament to make any law for the whole or any part of the territory of India for implementing any treaty, agreement, or convention with any other country or countries. This power supplements the legislative authority granted in Articles 249 and 250, which enable Parliament to pass laws on matters not under its usual jurisdiction when requested by two or more states or specified by the president for a limited time period, respectively.