Bongaigaon Refinery and Petrochemicals (BRPL), now a group company of Indian Oil Corporation, has urged the finance ministry to extend total excise duty exemption for its petrochemical and polyester staple fibre (PSF) business to make these units viable.
In a letter to the ministry of petroleum and natural gas, BRPL chairman and managing director B K Gogoi pointed out that the petrochemical/PSF business
