Authorisation Certificate Regarding Operations Of Passengers & Freight Services At A Maximum Speed Of 90 Kmph Under BG Non - Electrified Single Line Between Chiraidongri(Chiraidongri Yard Excluding) - Mandla Fort(Including Mandla Fort Yard) In Connection With Chhindwara - Nainpur - Mandla Fort GC Project Of "E" Route In Nagpur Division Of SECRЁЯШНЁЯШНЁЯШН