Long Queue in ICA

It is a super long queue early in the morning at Immigration Authority.  I thought it is best to go early.  It is still the best but my goodness, the queue at 7:45am is 30m or longer.  I actually arrive before 7:30am and thought there were no one waiting at the main entrance.  So went for a cup of tea at the hawker centre across the Rochor Canal.  Actually, the queue starts from behind the building.  Luckily, with appointment, I managed to get my passport fairly quickly.  I am done by 8:45am.