sir ji electric pole hone se electric train chalu nahi ho jayegi. uspe wire bhi bichhani padegi. end-to-end testing karni padegi. CRS inspection hogi or uske bad clearance milne ke bad electric line ko energize kiya jayega. fir kuch passenger train ya freight train daudayi jayegi uske bad sab thik raha to hi express trains ko chalane ki manjuri milegi. bahut hiiiiiiiiii lambaaaaaa process hai.