NZM se hi thi pahle 6-7 yrs pahle NDLS se kar di gayi hai aur Shan E Punjab Exp se RSA kar diya gaya hai NDLS hai ab maintenance point.
Abhi kisi reason se NZM se chal rahi hogi may be. lekin NDLS se kar ke RSA karne ke baad saaf safai ki dikkat ho gayi hai. NZM se thi aur dedicated rake tha to saaf safai jyada achhi thi