The Bombay Stock Exchange (BSE) is launching a new block deal window for T+0 settlement cycle securities on May 02. This feature allows same-day settlement for large trades, potentially affecting major stocks like Reliance Industries Limited (RIL). The new system could increase liquidity, reduce settlement risk, and enhance market efficiency for RIL and other eligible securities. This development marks a significant advancement in India's stock market operations, aligning it with global best practices.