While being appreciative of the Indian government putting in a "consistent plan" for the aviation sector, Juniac also emphasised the need to have the right infrastructure and lower costs for the airlines.
"In general, we are not favouring levies because we think that it is a disruption or disturbance in the competitive conditions," Juniac told PTI in an interview here.
His comments come against the backdrop of the government levying up to Rs 8,500 per flight on major routes from December 1 in order to fund its ambitious regional connectivity scheme.
"Regional connectivity is good for air traffic but using levy, tax or cross subsidy system, let's name it as it is, is not convincing," he said, adding that it is being opposed by many operators as something which would not be efficient.
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"We think that if you want to develop regional connectivity, first of all we need to have right infrastructure, airports and the lowest costs. So, for us there is a very clear link between the level of cost and the dynamism of aviation, the flow of passengers," Juniac said.
India has come out with the national civil aviation
policy that aims to provide a fillip to the domestic sector, where passenger traffic growth has been more than 20 per cent for nearly two years.
"First of all, they (Indian government) have put together a consistent plan. You can agree to it or part of it, it is something that has to be underlined significantly... Regional connectivity is another part of the plan but we think that in terms of infrastructure and development, the Indian plan is positive and will have positive effect on aviation," the IATA chief noted.
"Of course, we will judge the plan as it is designed but we will also assess the way Indian government is going to implement it practically. We know that the devil is in the details and execution," he said.
India is the fastest growing domestic aviation market but in terms of consumer rights, the regulations are tough and difficult for airlines, he said, adding that it is the government's role to find the right balance.
Among others, he flagged off concerns about high taxes on aviation fuel saying it was really a big problem and an enormous burden on the airlines.