Let us briefly understand what each of the items seen on the funds screen mean:
Cash balance: It comprises of the opening balance i.e. cash in your trading account at the beginning of the day and any deposits made by you after the cutoff time of 5:30 pm since last working day till now.
Margin from shares: The overall margin received from shares comprises of three numbers:
Available margin is the amount can be used to place new trades and is calculated as below: Available margin = Cash balance + Margin from shares - Used margin