Angel Broking — target

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Madhya Pradesh, Indore, Madhya Pradesh, 0474

My id is C28733. Was was take a call on bankfifty PE 30800 BUY by Rs 141 and same time creat positions with Rs 150. Approx between 40 to 55 min maximam market was cross my target but my positions not executed by angel broking. Why??? Than market was going to down positions than i was changed my target and creat new positions with Rs 149. After that market going continue down side than was cancelled my positions rs 149. Some time later automatically my positions executed by market with losss of Rs 13600/-.