It had posted a net profit of Rs 314 crore in the first quarter of 2011-12.
Net interest income rose 30 per cent to Rs 629 crore in the quarter, over Rs 483 crore a year ago.
Non-interest income comprising revenues from streams such as investments and loan-related fees rose 24 per cent to Rs 137 crore from Rs 110 crore, IDFC said in a statement.
Its provisions bill (for loan and investments) rose 155 per cent to Rs 103 crore against Rs 40 crore a year ago.
Provision for investments (erosion in their value) were up 562 per cent to Rs 64 crore from Rs 10 crore. Operational costs rose just three per cent to Rs 117 crore.
The balance sheet grew 25 per cent from Rs 51,898 crore at the end of June 2011 to Rs 65,017 crore at the end of June. Gross loan book increased 34 per cent from Rs 38,108 crore to Rs 50,892 crore. Gross disbursements increased 55 per cent to Rs 4,502 crore from Rs 2,904 crore a year earlier.
The capital adequacy ratio declined to 21.83 per cent from 24.01 per cent. It still remains way higher than the regulatory norm of a 15 per cent.