officially iska naam ab SLACK GANGA kr dena chahiye..one of the slowest superfast in CNB-NDLS section....speed up by 15mins in MUV-ALY and slow down by 25mins in CNB-NDLS......itni mehnt ki zarort nhi thi.....sara schedule ot cnb kay baad kr diya h jo rare hota h except 12309 kay .....bs priority hi h jiski wjh say survive kr rhi h otherwise...NER hi ab end to end fastest sf bna skta h by completing MUV-ALD in 2hrs which is not tough can be achieve ..20:15/20 departure is best option from MUV..