Baat MPS ki nhi h na WAP7 MPS ke liye bna h ... MPS ke liye aj bhi WAP5 jinda h aur WAP7 iske sath jaruri iss liye h kyu ki ye train ka har stoppage h toh acceleration bnane me time na lge issi liye WAP7 jaruri hota h tbhi Gzb apne sare ache passengers train ko bhi WAP7 deta h, halaki usse tmhe bezzati lg rh hogi WAP7 ki but acceleration ke liye bhot jarurt padti h issi liye use kiya jata aa rh h ...