Alex: Any bus that gets you to Orchard Road or Scotts Road (Far
East Plaza) will do. The train station is only 10 minutes away on
foot. 
7, 77, 105, 106, 111, 123, 132, 174, 502 stop right outside,
opposite Forum.
54, 105, 124, 132, 143, 162, 167, 171, 190, 700 stop
outside/opposite Far East Plaza.
Yes I was using a bus guide, not my memory. 
