I saw some brokers charging lowest stamp duties. Is it possible to follow that in zerodha at least for tamilnadu as here the stamp duties are really very high
Tamil Nadu government had sent a circular to exchanges quite some time back asking stamp duty to be paid according to the state of residence of the client. If a certain broker is not doing it, he is taking a big compliance risk. This risk can eventually come back to the broker and you. The state government can easily get access to trades executed by clients belonging to their state. So potentially a notice can be sent asking for any dues not paid anytime.
Is there any way to change my state only for trading account?
What are all the documents required to do it?
You will need to have an address proof from another state, which you will need to update with the broker.