What is the minimum and maximum investment allowed under the Sovereign Gold Bond Scheme (SGBS) 2015?

2 grams and 500 grams of physical gold
Under the recently launched Sovereign Gold Bond Scheme, the Reserve Bank of India (RBI) will issue Gold Bonds on behalf of the Government of India (GOI). The Bonds will be sold through banks and designated post offices. They will be denominated in multiples of gram(s) of gold with a basic unit of one gram. The Bonds will be of eight years tenor, with an exit option from the 5th year. The buyers of the bonds will not be allowed to purchase less than 2 grams-worth of bonds and not more than 500 grams-worth per person per financial year.