The train station can be accessed from Terminals 1, 2 and 3. Just follow the signs in the terminals! From Changi Airport MRT (CG2), take the East West line heading towards Tanah Merah MRT (EW4). Alight at Tanah Merah MRT (EW4) and cross the platform to Platform B, to board a train on the East West line heading towards Joo Koon MRT. Alight at Raffles Place MRT (EW14) , and take Exit G. When you get to ground level, head towards the River and you will find The Penny Black on your left. Walk past The Penny Black, remaining on the path along the river. Keep a look out for Prince of Wales Boat Quay, it will be on your left in about 500m. The entire journey will take approximately an hour and will cost $2.10 with a Standard Ticket.
The train station can be accessed from Terminals 1,2 and 3. Just follow the signs in the Terminals! From Changi Airport MRT (CG2), take the train to Tanah Merah Station (EW4). At Tanah Merah station (EW4) cross to platform B and board the train towards Joo Koon MRT. Alight at Bugis Station (EW12), follow the signs through the underpass to the downtown line (DT13). Board a train on the Downtown line heading towards Bukit Panjang Station. Take one stop to Rochor MRT (2 minutes). Alight at Rochor station and follow the exit signs to Perak Road. Take the lift to the street level and you will arrive at Perak Road. Turn right down Perak Road and walk straight towards the road junction with Dunlop Street. Turn left onto Dunlop Street, walk 100m down Dunlop Street and look out for the Prince of Wales Little India on your left.
For more information about getting around by trains, please refer to http://journey.smrt.com.sg