How much STT charges in Zerodha?

Could you please clarify the specific fees that STT, or Securities Transaction Tax, charges in the context of transactions made through the Zerodha platform? Are there any specific rates or percentages applied to different types of trades, such as equity, commodity, or currency transactions? Additionally, is there any information regarding any exemptions or reductions in STT charges for certain types of investors or transactions? It would be great if you could provide a concise breakdown of STT charges in Zerodha, including any relevant details that might be useful for investors to know.