Are nehin bhai ER Zone kabhi nehin remove hoga..... ER zone ka fir railway route km , trains, stns, etc yeh saab kahan jayega???? Total WB ka jo railway Network hai usmein 1 zone se kabhi nehin ho sakta atleast 2 ya 3 zones toh chahiye.
Dusra hsi ki ER Parent zone hai from starting of IR...yeh kabhi nehin remove hoga IR se.