Mumbai: Rating agency ICRANSE 3.23 % expects small finance banks (SFBs) to grow at a compounded annual growth rate of 25% to 30% led by diversified loan growth, deposit mobilisation, improving asset quality and better return on equity. The rating agency estimates that SFBs would require external capital of Rs. 4,000-6,000 crore till FY2023 for meeting the growth requirements, part of which will come …