The price of ATF was reduced by 7% in line with global trends and softening crude prices.
As a result, Delhi's jet fuel prices dropped ₹6,632 per kilolitre to ₹89,303 per kl.
This is the fourth straight monthly reduction in rates. Last time round, prices were cut by 2.45% on May 1st.
ATF prices are revised on the 1st of every month based on the average rate of international benchmark and foreign exchange rates.
International oil prices have erased all gains made since OPEC+ producers announced a surprise production cut earlier in April.
Petrol and diesel prices, meanwhile, were unchanged for a record 14th month in a row.