Commodity Investing in India?

Question

Jim Rogers suggests INVESTING in commodities.But I am not sure how one does that.For example sugar is low priced now and will remain so even into the next year-how does one take advantage of this?Can the method of commodity indexes of passive investing be replicated on a smaller scale by us?Is it possible to buy low and then sell later as with stocks?
NB:Neither Jim Rogers book nor commodity index funds are available where I am.As for ETF there is only an ETF for gold.

Answer 1

Huge range of ETF exist in USA = in UK we still have a few (check out iShares)