Buying and selling currency online generally falls into two categories: (speculating on price movements for profit) and Travel Currency Exchange (obtaining physical or digital cash for personal use). 1. Currency Trading (Forex)

Forex trading involves buying one currency while simultaneously selling another in a "pair" (e.g., EUR/USD).

: Zerodha Kite, Upstox, and Angel One are approved for trading currency derivatives on local exchanges (NSE/BSE).