Green Line is the new fast luxury Pakistani train which run between Karachi to Margala Rawalpindi via Hyderabad, Rohri, Bhawalpur, Khanewal, Lahore, Chaklala Rawalpindi and Islamabad / Margala. According to the Pakistan Railway train numbers Green Line Karachi to Islamabad is 5 Up and Rawalpindi to Karachi is 6 down.This train take approximately 22 hours to complete its journey of 1548 K.M. Green Line Express 5 Up have 7 stops and Green Line 6 DN have 8 stops. Green Line Express Express air-conditioned Business classes in it.