The World’s Longest Railway Platform is in-
Option 1 is the right answer.
The Gorakhpur Railway Station is located in the city of Gorakhpur in the Indian state of Uttar Pradesh. It serves as the headquarters of the North Eastern Railway. The station offers Class A railway station facilities. On 6 October 2013, Gorakhpur became the world’s longest railway platform, after inauguration of the remodelled Gorakhpur Yard, with a stretch of around 1.35 kilometres.