The process is conducted during account opening or when the business or bank wants to update the system. Bank customers must provide the required details to show proof of identity and address for the process. KYC Full Form The RBI authorizes all financial-related institutions and businesses to conduct KYC check registration for all customers.Indian Banks use simple online and offline systems to receive customer KYC details. Sometimes banks request customers to update the KYC information after a period to verify information again.