Ashish, you can use after market orders option, and place your SL and target orders for overnight positions the previous evening or anytime before market opening.
Check this post: http://zerodha.com/z-connect/queries/stock-and-fo-queries/pre-marketpost-marketafter-market-orders
Desperately needed. Please let us know whether this can be made possible in any way?
I tried to do this for SYNGENE in AMO with a stop loss but the order was squared off the same day. whats the problem?