Explanation of turnover charge & STT

Can you please explain Turnover charge & STT in screenshot attached

Check this https://zerodha.com/charges

Securities/Commodities transaction tax

Tax by the government when transacting on the exchanges. Charged as above on both buy and sell sides when trading equity delivery. Charged only on selling side when trading intraday or on F&O.

When trading at Zerodha STT/CTT can be a lot more than the brokerage we charge. Important to keep a tab.

Transaction/Turnover Charges

Exchange transaction charges + Clearing charges. Charged by exchanges (NSE,BSE,MCX) and clearing member.

BSE has revised transaction charges in XC, XD, XT, Z and ZP groups to Rs.10,000 per crore w.e.f 01.01.2016.