For Single order cancellation, follow below steps:
Step. 1. Click on orders tab
Step. 2. Select the pending order from order book which you want
to cancel
Step. 3. Click on cancel button
Step. 4. A cancellation confirmation window will open
Step. 5. Click on confirm to cancel the order
For all pending order cancellation, follow the below steps:
Step. 1. Click on orders tab
Step. 2. Click on cancel all button
Step. 3. A cancellation confirmation window will open which will
have all the orders which will be canceled in a single click
Step. 4. Click on confirm to cancel all the pending order
Note: Cover and bracket order pending legs (target profit and stop
loss) are not allowed to be canceled hence are excluded