HDFC Bank has scheduled essential system maintenance on June 8, 2025 to improve customer experience and upgrade banking infrastructure. During this period, several digital banking services, including UPI transactions, will be temporarily unavailable for customers, the bank informed its customers via mail.“It is important to note that during this period, UPI services linked to HDFC bank will not be available. We recommend using the PayZapp wallet during this time,” the company said in a statement.