IOCL has increased low-sulphur raw petroleum coke prices by INR 1,400-1,410/t at all its refineries. Currently, the prices of premium grade for the Barauni refinery are at INR 57,150/t, while for Bongaigaon prices are at INR 58,880/t. Prices for Guwahati , Digboi and Koyali also remain in the higher range of INR 56,520- 59,990/t.

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