Its a tradition for DQ and its done wholeheartedly by the Zonal and station officials, rail organizations and railfans. No permission is required, everyone is free to do RF "masti" in station premises. The only day when railfans roam around the station like a king with cameras hanging on the neck!!
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Anyways, great to see SR catching up... A train of Vaigai's stature deserves much more... The ball has been set rolling this year, hoping for a larger extravaganza next year!! (y)