Jet fuel, natural gas may come under the ambit of GST as early as next week

States charge as much as 30 percent in sales tax on aviation turbine fuel, on top of a 14 percent excise duty, making it the costliest in Asia

India is proposing to bring jet fuel and natural gas under the national goods and services tax as early as next week and replace a slew of existing duties and provincial levies, people familiar with the matter said.

An Indian tax panel will decide July 21 whether to approve the proposal to levy a 28 percent tax on aviation fuel, the people said, asking not to be identified as deliberations are confidential. This will be the first step towards charging GST on petroleum products under the new tax system, one of the biggest reforms for Prime Minister Narendra Modi.

Indian states charge