Kotak Mobile Stock Trader is a unique stock trading app that allows you to trade, view quotes, track portfolio, track market movements, analyse market trends and view personalised watch lists instantly. It gives you more power while you?re on the move. As an introductory offer, this app is free for download to all. Recent Changes (V1.0.1) : The new version contains trading in IDR which will enable customers to trade in IDR type instruments. Recent Changes (V1.0.2): Limits and Positions updated in Available Funds.