Two men who arrived in a bike threw the bomb at the jeep parked in front of the casualty wing of the Kozhikode MCH.
Last week, the government cut the price of the domestic 14.2kg LPG cylinder by Rs 200 per LPG cylinder.
Kerala Government imposed a social security cess of Rs 2 each on petrol and diesel from April 1
Action may be taken even if LPG cylinders are carried by individuals to their respective homes.
The plastic bottle containing petrol suddenly caught fire killing T V Prajith and his wife K K Reesha, states the report.
The LDF government had imposed a social security cess on petrol and diesel in the Kerala Budget.
The cess at the rate of Rs 20 for each bottle of Indian-made Foreign Liquor (IMFL) priced between Rs 500 and Rs 999.
The price of ethanol extracted from sugarcane juice was increased to Rs 65.61 per litre, from the current Rs 63.45 per litre for the supply year beginning December 2022.
Barely a month ago the Prime Minister even took Kerala by name and asked it to reduce the sales tax on petrol. It was a rare instance of public shaming of a state by a Prime Minister.
Apart from Kerala, similar discrepancies regarding petrol prices have been reported from states such as Tamil Nadu and Maharashtra.