Q. Indian Railways recently operated the first trial train from Sangaldan to Reasi, crossing the world's highest rail bridge on which river?
Answer: Chenab
Notes: Union Railway Minister Ashwini Vaishnaw announced the completion of the first trial run of the Sangaldan-Reasi train, crossing the world's highest railway bridge, the Chenab Bridge. Situated in Jammu and Kashmir, the bridge stands 359 meters above the Chenab River, approximately 35 meters taller than the Eiffel Tower, marking a significant engineering achievement.

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