How to calculate the Return on Equity from the Bank's Financial Statements?

The annual report for SBI may be found here. The snapshots of the balance sheet and income statements from this report are:

Balance Sheet:

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Income Statement:

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Now, using the return on equity formula we have:
ROE = Net Income/Total Equity Capital = 144881106/8924612 = 1623% !!

The company reports 7.74% ROE. How to arrive at this number?

Edit: Even if I add the Reserves and Surplus number to the equity, I don’t get the desired 7.74%.