You also open an equity account (trading + demat) OR; You have an existing equity account (trading + demat) with Zerodha; If you want to open a commodity account online, you can follow the same procedure as opening an account online as mentioned in this article and select commodity account in the account opening flow, when prompted. Clients can open online demat account with zerodha through ekyc with depository institutions instantly. there also offline options available to open demat account if there persist any issue with online process. zerodha margin,zerodha brokerage calculator,zerodha brokerage,trade zerodha,zerodha margin calculator,zerodha mobile app,zerodha review,zerodha account opening,zerodha online trading,zerodha pi