Why is the MIS or CO position not auto squared off?
Zerodha squares off open intraday positions prior to the auto-square off timings. To learn more, see
What are the auto square-off timings for open intraday positions?
If such a situation arises, it will be the responsibility of the client to close the position. Zerodha reserves the right to square off any such position at its discretion, even without a margin call, if the required balance is not available in your trading account.