Zerodha offers 3 different ways for trading including trading terminal, website based trading and mobile trading.
It depends on you which you are comfortable using.
Most people all of them based on where they are. If you are at home trading terminal is best, if you are outside and not on your own computer you can both website or mobile trading.
If you don''t have access to any one of them, you can call & trade service.
Mobile trading or web based trading?
And could you please tell me about these two options in deatil?