Diesel export duty increases by Rs 3 per litre and ATF levy by 50 paise as government recalibrates fuel export taxes. Centre removes the Rs 2.50-per-litre export duty on petrol.Diesel export duty rises to Rs 11.50 per litre, while the ATF levy increases to Rs 11 per litre.Changes follow a fortnightly review aimed at balancing domestic fuel availability with international market conditions.The Centre on Saturday removed the