Pakistan Railway is all set to start Green Line new train service from Islamabad to Karachi on 15th May 2015. Green Line Service complete Air-conditioned coaches will offer Wi-Fi Internet facility throughout the journey, breakfast, lunch, dinner and Newspaper.
Green Line service by Pakistan Railway is ready New Coaches and locomotives imported from China keeping the Korakaram Express , Business Train , Shalimar and other Fast Lane Trains from Karachi to Lahore, Pakistan Railway has came up with this idea.
Read More Green Line Train Service Exclusive Images
UPDATE :Blue Line Train Service expected to start from 14th August
“The train comprises air-conditioned business coaches, with free WiFi facilities as well as complimentary breakfast and tea,” . 
Green Line Stops
Karachi – Hyderabad – Rohri, Khanewal, Lahore and Rawalpindi – Islamabad.
Timings
Islamabad Departure 3:15 pm
Karachi Cantt Arrival 2:30 pm
Return
Karachi Cantt Departure 9:30 pm
Islamabad Arrival 8:45 pm
Child Concession 3 to 10 years old 
Green Line Fares – 5500/- ISB to KHI however minor change comes if you join in from Lahore and other stops. 5000/-
Once again Pakistan Railway is gaining popularity like before after the cursed era of Bilour Railway Minister, who has shares in Daewoo Bus Service, ruined Pakistan Railway completely.
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i think pti govt is doing good now for trains in pakistan
Green line service is extraordinary. I really like it. Will travel again
islamabd se lahore kitne ticket hy can anyone tell plzzzzzzzz
5000 ki bat nhi h train time se ponchni chahiye
nyc train
Bekar 5000 hazar Aesy Acha To Humari Sukkur Express Hai :) I love Suk Express
One day it will leave Japan railway behind. Insha Allah!