How are sovereign gold bonds (SGBs) taxed?

As an investor how good is sovereign gold bonds (SGBs) as an investment class and are the returns on these bonds justifying the risk?

How are sovereign gold bonds taxed?

Who is eligible to invest in sovereign gold bonds (SGBs)?

I’ve been hearing a lot about sovereign gold bonds (SGBs). But who issues these SGBs?

Is it true that you earn interest on sovereign gold bonds (SGBs)?

Is there any risk involved in investing in sovereign gold bonds (SGBs)?

What are the key features of Sovereign Gold Bonds that actually makes it attractive for investors in gold?

How do I as an investor make a decision as to whether I should invest in Sovereign Gold Bonds or not?

What are the documents required for buying a sovereign gold bond (SGB)?

Is there any way to decide when to buy physical gold and when to buy electronic gold (via ETFs, sovereign gold bonds, etc)?