NEW DELHI: As the crude oil prices cooled down in the international market, the oil marketing companies (OMCs) slashed the jet fuel (ATF) prices by 12% to Rs 121,915.57 per kl in the national capital. As per price notification by state-run retailers, ATF prices for domestic airlines now stand at Rs 121,915.57 in Delhi, Rs 128,425.21 in Kolkata; Rs 120,875.86 in Mumbai; and Rs 126,516.29 in Chennai. This is the third but steepest-ever reduction in rates and follows a Rs 3,084.94 per kl (2.2% ) reduction effected on July 16.