wap7 ko kyu do tukde karenge wap7 ke agar do tukde krte toh socho kitna ganda lgta wap7 isliye lgta h wap5 ke do tukde krne m busy h blw aur railway board wale aisa lgta h kyuki wap5 k baad wap7 aaya aur uske baad toh wap series m ab tk koi loco aaya nahi aur wag loco m wag9 wag10 wag11 ab wag12 aa gye