i am having problem in cover order.say i place a cover order buy when banknifty is 11540 with a sl of 11500.the buy triggered at 11540. and i can see my sl order at 11500 in order book.in the order book when i try to modify i can modify the sl cover order to any rate between 11500 to 11540.say now the rate is 11580.now i want to trail the sl order.when i modify the sl oder to any rate above my buy price 11540 the order is accepted but when i check the order book again only the order i placed which is below 11540 is there.that is when i want to trail my sl to 11560, the order is accepted but when i check the order book again only the order i placed which is below 11540 is there. even when i tried to trail my sl to 11540.10 too, the order is accepted but when i check the order book again only the order i placed which is below 11540 is there.when contacted zerodha customer care, they asked me to click on EXIT in the order book.when i do that the position is sold at 11580.now i cant book the upward movement if the rate goes to 11600.if any traders experience this? sachin pl clarify this and dont neglect this problem as usual you doing to my user id..