Achintya Fly App Achintya Fly App is a new-age, smart, stylish, and a super speedy share and commodity market app that empowers you to track and trade across Equity, Derivatives, Commodity and Commodity Derivatives, Currency Derivatives across NSE, BSE, MCX and NCDEX. What’s more, the mobile trading app is available FREE for all share market enthusiasts and comes with the Achintya's advantage of a seamless design and advanced technology to assist you in tracking stock markets live. So, if you