New Delhi, Aug 29 (TIWN) Oil marketing companies (OMC) kept petrol and diesel prices unchanged on Sunday.

Petrol prices in Mumbai, Chennai and Kolkata were at Rs 107.52, Rs 99.20 and Rs 101.82 per litre, respectively. Similarly, diesel prices across the cities remained unchanged at Rs 96.48, Rs 93.52 and Rs 91.98 per litre.  After falling, global crude oil prices had firmed up over the past week to cross $72 a barrel mark. The October contract of crude oil on the Intercontinental Exchange is currently at $72.70 per barrel.