Aisa isliye hai kyu ki ald se sgrl/sktn route par ghats hai jo ki bahut hilly hai. turant turant elevation me 50-100 mtrs. ka rise/fall hota hai. 5 din pehle news me aaya 2 baar train fisal gayi chadhai chadhte waqt. so double lagane se jyada power milega aur train slip bhi nahi hoga. jabki ald-lko-be bilkul plain area par hai isliye single wdm hi kafi hai.