mumbai, Sept. 28 -- Eight of India's 11 public sector banks, excluding State Bank of India (SBI), currently lack a non-executive chairman, with some vacancies persisting for years, pointing to prolonged appointment delays and raising questions about oversight at key financial institutions handling public money. The role of a non-executive chairman is crucial, providing board leadership, broad policy direction and oversight of governance. The issue assumes greater significance in view of a new Reserve Bank of India (RBI) governance framework for banks which takes effect on October 1. It says the chairperson has primary responsibility for setting the board's agenda, while the board bears ultimate responsibility for business strategy, financia...