New Delhi, May 15 -- Petrol and diesel prices were increased on Friday by Rs.3 per litre after state-owned oil firms ended a four-year record hiatus in rate revision.

Petrol price was hiked to Rs.97.77 per litre from Rs.94.77 in the national capital. Diesel now costs Rs.90.67 as against Rs.89.67 per litre previously, according to industry sources.

The hike is, however, different in different cities. This is due to differences in local levies.

According to revised rates, petrol in Kolkata now costs Rs.108.74 per litre, an increase of Rs.3.29 per litre, while in Mumbai it rose to Rs.106.68 per litre, up by Rs.3.14. In Chennai, petrol prices climbed by Rs.2.83 to Rs.103.67 per litre, a company executive said.

For regular diesel, pump pri...