Angel One Demat and Trading account opening is absolutely free means there are no charges. The first-year Demat maintenance fee is also NIL and thereafter Rs 240 per annum Demat AMC is charged.
It's Angel iTrade Prime is a flat discount brokerage plan that charges Rs 0 brokerage on investment in shares (Delivery trading, CNC) while intraday and futures & options trading is charged at flat Rs 20 per order brokerage fee.