The correct answer is Seven. In News • The Union Budget 2026–27 proposes seven High-Speed Rail corridors as “Growth Connectors” to enhance urbanisation and regional economic integration. Explanation & Key Takeaways: • The Budget proposes a total of seven High-Speed Rail corridors under the concept of Growth Connectors. • These corridors aim to link major cities to promote environmentally sustainable passenger transport. • The initiative focuses on Tier II and Tier III cities along with major economic hubs. • The corridors are part of the broader urbanisation strategy under City Economic Regions. Related Concepts: • Growth Connectors • Growth Connectors refer to high-capacity transport corridors designed to enhance economic agglomeration. • They improve connectivity between cities, industrial hubs, and logistic centres. • High-Speed Rail systems reduce travel time, lower carbon emissions, and support sustainable urban growth. • City Economic Regions • This concept focuses on expanding cities as engines of economic growth. • It integrates transport, infrastructure, housing, and employment generation.