CHENNAI: Bank of Baroda (BoB)has announced two per cent discount on sale of gold coins in view of Akshay Trithiya. The bank has come out with coins of 2 gm ,4 gm and 5 gm denominations and 10 gm bar. According to a release, the Baroda Gold coins/bar are 24 carat imported from Swiss refineries and carry assay certification for 999.9 purity.