zerodha trader zt

On 30th July I was carrying positions worth 150% of my margin to 31st July. On 31st July 09:25 AM. I covered everything. I had no open positions at 09:25 AM. But at 03:05 PM, zerodha placed a cover order on my account without checking and that trade lost me 8500 INR. What can I do now?

I am new to trading, though I have tried quite a few trading portals this year. I have been primarily using Zerodha for the past 6 months, however in the past weeks it seems their service has nosedived. Their zerodha trader software crashes incessantly, trading portal doesn't open at...