Sovereign Gold Bonds

1. Long term capital gains @ 20% in case if the bond (SGB) is transferred after 3 years from the date of purchase. 
2. Holding period of such SGB is 8 years and after 5 years bonds can be traded with the government. 
3. Yes, Indexation benefits are available if the bonds are transferred within a maturity period. 
Please correct me if the above solution has an alternative view.