Pak Business skipping Dera Taj and Khanewal Toll Plaza Slow and Okara Railway Station in fast speed

33 Up Pak Business Express skipping Dera Taj Railway Station slowly and skipping Okara Railway Station in fast speed.
I was onboard 33 Up Pak Business Express train. Time was 07:10 AM. 33 Up Pak Business Express was lead by GEU-40 9037 Locomotive. Pak Business was passing Dera Taj Railway station which comes after Khanewal Junction on Up Railway Track.
After passing Dera Taj Railway station slowly, Pak Business was passing from Khanewal Toll Plaza, which was very clear from the train. Buses and trucks were running parallel to the train.
In last, one scene was added in which Pak Business was skipping Okara Railway Station in good speed. While skipping Okara Railway Station time was 09:10 AM. It means train took 2 Hours between to reach Okara.
Train Informations:
33 Up Pak Business Express is operated by Pakistan Railways between Karachi and Lahore Railway Station. It departs from Karachi Cantt Railway Station at 4 PM and reaches Lahore Railway Station on the next morning at 09:20 AM.
Total Journey Time:
Karachi To Lahore: 17 Hours 20 minutes
Train Route:
Karachi - Hyderabad Jn - Rohri Jn - Khanewal Jn - Lahore Jn
Time: 07:10 AM Dera Taj and Khanewal Toll Plaza
09:10 AM Okara Railway Station
Locomotive: GEU-40 9037
Train: 33 Up Pak Business Express
Destination: Lahore Jn