India Post has announced special discount of six and a half per cent on purchase of gold coins on the occasion of Raksha Bandhan festival. This offer is available in all 31 Post Offices of Delhi indentified for the sale of Gold Coins. Customer will get the discount of the day's retail price of gold on all denominations. . An official press release says that these gold coins are having purity rating of 24 karat and bear unique logo of India Post. Coins are available in denominations of 0.5 gms, 1gms, 5gms, 8gms, 10gms, 20gms and 50gms for sale across counters at select Post Offices These coins have tamper-proof packaging and benefits like internationally recognized certification, low risk of duplication, product standardization and numbering with assayer certification.Kamal/1222 hrs