The 12th and the last tranche of the Sovereign Gold Bond (SGB) for 2021 opened for subscription on Monday, March 1, 2021. The issue will remain open till Friday, March 5, 2021. The SGB is priced at Rs 4,662 per gram. Investors applying online will get a discount of Rs 50 per gram and it will be priced at Rs 4,612 per gram for them.