Units of Nifty, NiftyJunior & Gold ETFs are sold via your broker. The fourth ETF present in the All Weather Investing smallcase is Reliance Liquid Bees. When you buy Reliance Liquid Bees ETF on the exchange via your broker, you always buy the whole number units. The ETF gives daily dividends in the form of additional units which gets credited to your demat account.
It might happen that while investing you bought 5 units but when you want to exit, you have 5.5 units in your demat account - because you have received dividends worth Rs 500. The fractional units cannot be sold on the exchange via your broker. You will have to sell these units directly from the depository.
For the orders placed on the exchange you will receive the money in your broker account instantaneously.