Extention is ruled out unless there is strong lobby with political force prevailing on Rly Ministry and RB.
1. The rake is upgraded to LHB which has maintainable schedule of 4000km for PM and Chennai AhmD Chennai cycle is 3800km.
2. The new norm of RB for LHB rakes is 3-4 hrs turnaround time at destination to base station for 4000km run accordingly all trains dep timings are changed and slots are fixed now.
3....
more... If extended or run us beyond 2000km it requires SM and 8hr time gap. If this is extended a new slot from AHMD to Chennai in morning after1000 has to be alloted based on the destination point.