What is the equivalent of "Thundu Podurathu"* in Singapore?
It's "Tissue podurathu". Tissue's are extensively used in Food courts to reserve a table.
So the next time you are in Singapore, be sure to keep a tissue packet handy when you go to the food courts.
* Thundu Podurathu - a hand towel used to reserve a seat in the public bus/train in India.