Anandwan Express has a turn around time of 11hrs 45min at Kazipet. Atmost it can be extended upto GNT comfortably without disturbing the current timings and rake.
WL-BZA in 3hrs 30min with an average of around 60kmph and from there one hour to GNT, totaling 4hrs 30min
right now it's 06.45 @ KZJ, lets assume it reaches GNT by 11.15hrs and departs 14.00hrs, it can continue in it's regular path from WL.