The study was intented to identify the determinants of the debt maturity structure of listed firms in Bombay Stock Exchange 500 index. For the analysis we have taken 321 firms during the period 2002- 2011, comprising of a panel model with fixed effects. We also used GMM (1991) and GMM (1998) estimates of our analysis. The result of robustness tests confirms that past year debt maturity, leverage and growth opportunities are directly determined the debt maturity of Indian firms. Liquidity, effective tax and rate prime lending rate are negatively determining the debt maturity of Indian companies.