Yhi to mujhe samajh nahi aya, poorva ne Aljn EMU ke baad cross kiya tha, aur Sk ne just poorva ke baad. Magar Poorva se EMU ko ot kara diya, as there were three tracks, magar SK ko ot nahi karne diya.it means Aljn paar karte hi decide kar liya tha ki ot karana hai