New Delhi, June 29 -- India's private airport operators have urged the government to discontinue the temporary relief on airline charges, warning that further extension will squeeze airport finances and constrain investments in capacity expansion projects.

The temporary tariff cut was introduced after the war in West Asia pushed up airlines' operating costs, particularly due to rising jet fuel prices. With those pressures now easing, airport operators say there is little justification for extending the concession, as it would "impact sustainability and future infrastructure developments".

The Association of Private Airport Operators (Apao), which represents 14 public-private partnership airports, has warned that continuing beyond the th...