This document analyzes and compares the capital structures of State Bank of India (SBI) and ICICI Bank over a 5-year period using various financial ratios. It finds that SBI relies more heavily on debt financing while ICICI Bank relies more on equity financing. Both banks follow a successful "trading on equity" policy and have sound financial positions that increase shareholder returns. The capital structures and ratios indicate that SBI benefits from lower costs of capital by using more debt, while ICICI Bank benefits from lower risks by using more equity.