Service Tax Includes Service Charge also | Check Your Restaurant Bill Before You Pay

The Service tax is collected by the restaurant/service provider and paid to the Government. Service tax is 4.94 percent i.e. 12.36 percent of 40 percent of your total bill, which includes food, drinks, service charge and served in an air-conditioned restaurant only.

can get few details from here too http://www.moneycontrol.com/news/tax/knowing-se...