Under the revised rates, the special additional excise duty (SAED) on diesel exports has been raised to Rs 14 per litre from Rs 13.5 per litre. The duty on ATF exports has been increased to Rs 12.5 per litre from Rs 9.5 per litre. The export duty on petrol remains unchanged at Rs 1.5 per litre. According to a notification issued by the finance ministry, the revised rates will come into effect from June 16.