However, diesel rates will go up by 50 paisa per litre in line with the practice of raising prices by small quantum every month to wipe away subsidy on the fuel.
State-owned oil firms are due to announce revised petrol and diesel prices on March 31.
"Rupee has appreciated to Rs 60.50 to a US dollar from Rs 61.44 and simultaneously international gasoline rates have dipped from USD 118.09 per barrel to USD 115.73. The twin factors will lead to a reduction in petrol price on Monday," a source with direct knowledge of the development said.
The government, in June 2010, had given oil firms freedom to fix petrol prices on 1st and 16th of every month based on average global oil prices and foreign exchange rates in the preceding fortnight.
It had in January 2013 authorised oil firms to hike diesel prices by 40-50 paisa per litre every month till such time that the losses on the fuel are wiped out. Diesel prices have risen on 14 occasions since then.
Election Commissioner H S Brahma, who had earlier this month stated that government cannot discontinue the monthly increases in diesel prices as it would tantamount to populism, today said oil companies can revise petrol prices in line with the practice they have been following since June 2010.
Oil companies can revise petrol prices without coming to the Election Commission, he said.
Petrol and diesel prices were last revised on March 1 when rates where hiked by 60 paise and 50 paise respectively.

Petrol currently costs Rs 73.16 a litre in Delhi while diesel is priced at Rs 55.48 per litre.
Since January 2013, diesel rates have risen by a cumulative Rs 8.33.


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