HDFC Gold ETF along with Kotak and Gold Bees are one of the best gold etfs to invest in India and provide a sharp contrast to the worst ETFs like SBI and Axis Bank.HDFC Gold ETF has the added advantage of being one of the largest Fund Houses and is a subsidiary of one of the largest private banks with a great distribution strenght and reputation.It is also one of the few mutual fund ocmpanies which is offering a SIP on the Gold ETF unlike many others.Expense Ratio is also one of the lowest in the industry at 1% . All in all HDFC Gold ETF is a good buy if you are thinking of putting money in gold through ETF.