Zerodha — Refund for wrong order execution

Address:	Faridabad, Haryana, 121013
Website:	Www.zerodha.com

Dear sir,

I am trading through zerodha and using platform of kite (zerodha) my login id : ds2574.

On 28/10/2016 i had buy 3 lots of nifty october 8600 ce 2016 (i. e. 225 shares) @ 165 (approx) and had put stop loss! arket order @142. around 12:35 ordee got automatically excuted @ 136 but price was around 144-146. due this i have suffered loss of rs. 6500 (approx).
I want to look into matter as soon as possible and reverse this loss.