Vapor products are banned in Singapore. This has led to numerous smokers being forced into the black market in an attempt to save themselves from the dangers of smoking traditional cigarettes.
Recently, a bill was submitted to the Parliament requesting changes in the current Tobacco (Control of Advertisements and Sale) Act. If the bill gets materialized, then a person who sells, smuggles or uses e-cigarettes will get a fine of $2000, according to a story in The International Business Times. 
Statistics from Singapore’s Health Sciences Authority (HSA) show that 15,000 e-cigarette cases, including smuggling and illegal sale, have been investigated from April 2014 to March 2017.
The were just 9000 such cases from 2011-2014.