Better to take a helper (brother or cousin or friend) with u, one to stand in bank line, one for Hazri line, one for submitting document line... You will be free in 1.5 to 2 hours... Bank will be close at 1:30, and there desire of not working will start at 12:30.... Excise office is next to HEC in H-9... Park your car along roadside, the inspector will inspect it... Take some juice or water with u... Avoid agents hovering around... Be ready for few Dhakkay etc...