Petrol, diesel prices may go up by Re 1

 Indications are that crude prices, which have already climbed to $31 per barrel, will remain strong on the back of demand for heating in the forthcoming northern winter.

 Further, the Organisation of Petroleum Exporting Countries (Opec) has already indicated that oil supplies are running ahead of demand by a good 1.4 million barrels per day (bpd).

 Opec has threatened to cut production by 900,000 bpd from November 1 and asked non-Opec oil producing nations to