sir wahi kaha maine software upgradation ho raha hai by NR GZB Shed BIA Ko wo software upgradation ka rights nahi mila CLW se isliye aisa hua hai DURG NZM Humsafar 2 loco se permanently chal rahi hai 30491 aur 30520 inko baar baar 130 ke liye NZM se Agra test kara jaa raha hai.