Finally I got a reply from the officials this morning in response to my /blog/post/963157 for changing the route of LKO NDLS Duranto via CNB
I got this reply from officials:-
your suggestion is commendable but i would like to clarify the following:- 1. allahabad doronto run combined with howrah and bhubneshwar doronto for 6 days a week. 2. on the vacant days , special trains are planned between allahabd abnd delhi . 3. the timing of lucknow doronto are very suitable to passenger leaving lucknow at 2330 hrs and arriving new...
more... delhi at at 0710 hrs . 4. no suitable path are available between lucknow and kanpur to connect doronto ex kanpur to new delhi. 5. there are line capacity consraint on Kanpur-New Delhi section . hence diversion of this train via CNB is operationally not feasible.