Historical Data

Hello friends - Wish you all a very happy new year.
I am new to Zerodha platform through my new startup organisation. We are working on a project where we are studying various APIs for a retail brokerage analytics platform, at technical feasibility stage. I want to know how far back is historical data available for cash, commodity, derivatives and currency. for what period tick data is available for all of above segments. i can be asking obnoxious question, as i am new to this forum and zerodha. any help will be respected. thank you.
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