HomeUPSCWhich Railway station has secured a place in Guinness Book of World Records for being the largest route relay interlocking system in the world? 15. Which Railway station has secured a place in Guinness Book of World Records for being the largest route relay interlocking system in the world?By Admin / October 4, 2025 A. New Delhi Station B. Patna Station C. Bhubaneswar Station D. Ranchi Station ✅ The correct answer is option A.