Finance minister Arun Jaitley could raise the service tax rate in the Budget to be presented on February 1, a move that will increase the cost of eating out, going to the movies or flying. Two senior government sources told Hindustan Times on Friday that the existing rate of 15%, which includes two cesses, could be raised by another 0.5% to 1%. “The government might want to increase the service tax so that the shift to GST is not abrupt,” one of them said, referring to a proposed a Goods and Services Tax that has missed several deadlines because of political wrangling. Jaitley has said he wants to roll it out by July 1. Service tax is a charge service providers collect from customers and then pass onto the government. There are some services provided by state and central governments that do not attract this tax. A rise in service tax could give the government some elbow room to offer cuts in personal income tax or spend more to revive private consumption that received a sh