Stops and gaps

You hold 200 shares bought at ₹750 with a sell SL order: trigger ₹720, limit ₹717. Overnight news; the stock opens at ₹705 and closes the day at ₹690 without trading above ₹712. (a) What happens to your SL order? What is your P&L (ignoring costs) at the close if you do nothing else? (b) What would an SL-M with trigger ₹720 have done, and with what P&L, if it filled at the open? (c) What was the planned maximum loss? Comment.