Ye express he bhale hi naam ki aur fast chale ya slow don't compare with other trains jitna acchha iska Koaa - mgs run he utna jyaada kharab iska mgs - anvt ka run he due to congestion in NCR.
MGS - Anvt me isko agar 15-20 ka bhi avg speed diya to bhi ye time pe nhi pahuchega
Issliye isko Patna - koaa bana diya he