The Centre has increased the excise duty on petrol and diesel with effect from May 06 but there would be no burden on consumers. According to a notification issued by the Central Board of Indirect Taxes and Customs, special additional excise duty on petrol has been hiked by Rs 2 per litre and road cess has been hiked by Rs 8 a litre.In case of diesel, special additional excise duty has been hiked by Rs 5 per litre and road cess has been raised by Rs 8 a litre.