By MRT: 

Alight at Dhoby Ghaut ( either on the North-South RED line, or North-East PURPLE line or Circle YELLOW line).

Look for Clemenceau Avenue/ Penang Lane / Park Mall exit.

Singapore Shopping Centre is located right next to the Glass House ( where you see Fish and Co.restaurant) 

Please click on streetdirectory.com link to view location.

http://www.streetdirectory.com/asia_travel/travel/travel_id_6610/travel_site_22584/

By Bus:

Alight at bus-stop opposite Park Mall. Singapore Shopping Centre is just 3 minutes walk away from the bus-stop. 

Available bus numbers : 7, 14, 14E, 16, 36, 65, 77, 106, 111, 124, 128, 162, 162M, 167