In Options:

For Entry of Hedged Positions it is advised to Enter a Basket order with both the legs - wherein tradejini ensures that the buy leg is processed first and followed by the sell leg.

When you Exit Hedged Positions - Option Buy position is processed first, followed by the Sell Position. This helps prevent order rejections due to margin shortage.

But in Futures:

For futures trading, the full margin is necessary to enter a position. To ensure smooth order execution, it's advisable to have enough margin or funds readily available in the account.  Any Hedge Margin Benefit will be available only post execution.