Spooked by a recent breach of foreign ownership limit at HDFC Bank, regulators and intermediaries are grappling with the question of monitoring foreign investors in real time. Both held talks on exchange of data to track realtime behaviour of foreign investors.According to sources, the Securities and Exchange of India (Sebi) and the Reserve Bank of India (RBI) met last week to discuss the February breach at HDFC Bank.They also discussed whether new systems can installed to observe foreign shareholdings and prevent breaches of investment limits. At present, only the RBI monitors foreign investments daily. Its alarm goes off each time foreign ownership in a company breaches a certain limit, which is typically lower than the actual ceiling.However, that alarm goes off after market hours only; intraday, it never rings. Hence, the need for realtime monitoring. "There isa need for realtime data integration between depositories, custodians, and stock exchanges.If the stock exchange has