HDFC Porter's five forces analysis examines the competitive environment of HDFC Bank within the Indian banking industry. The five competitive forces are: 1) competitive rivalry among HDFC Bank and competitors like ICICI Bank, Axis Bank, and Yes Bank, 2) moderate to high bargaining power of suppliers, 3) high bargaining power of buyers given options to switch banks, 4) low threat of new entrants due to regulations and trust in established banks, and 5) limited threat of substitutes as finance services are essential for businesses.