There are some routes jaha pe sirf Electrification karne se nehi chalega. Maintain bhi Karna hain. thik thak hona chaiye. Aur electrification ka kaam mein bhi bohot barriers hain. Like LMG BPB SCL/AGTL Section. Itna hilly slopes and terrain me kaam karna dangerous hain. Rajasthan mein desert se bhi line nikalti hain. So time toh lagega zyada.