Vedanta Group firm Sesa Goa has reported a 20 per cent decline in its consolidated net profit. Commenting on the results, PK Mukherjee, MD, Sesa Goa told NDTV Profit that average realisations for the fourth quarter are slightly high. "Costs went up due to export duty and royalty but realisations are still better, for this fiscal year, they stand at around $83," he added.