Citibank — Charging abnormal interest rate of credit card dues

Address:	Mumbai City, Maharashtra
Website:	www.citibank.com/india

Recently rbi has reduced the interest rates on loans taken from banks but citibank n.A having its office at p.O box no. 4830, anna salai post office, chennai- 600 002 is still charging interest rates on dues with old rates despite my requests. Please direct them to reduce the same at reasonable rates as per rbi guidelines. My credit card no. Is [protected].