Intraday buy order at market value

Suppose I buy a stock at market value of Rs 400/- via intraday … can I make a another sell order at Rs 402 ? If current live value is 399 …
What will happen? Plz reply… I don’t like more profitable margin …

Yes, go to position, click Exit & place Limit order @402. When the LTP moves from 399 to 402. Your sell order will get executed. Remember to place Limit order.