Which is the largest foreign bank in India?

Standard Chartered is the largest foreign bank in India. As of 2020, there are 46 international banks in India. Some of the other very well-known foreign banks having a large presence in India are Deutsche Bank, Citi Bank, Barclays Bank. The headquarters of Standard Chartered bank is located in Hong Kong. You can read about The Reserve Bank of India: Functions and Composition in the given link.

Further readings:

1. Non Performing Assets (NPA) – Facts for UPSC GS-III
2. Topic-Wise GS 3 Questions for UPSC Mains