State Bank Of India [SBI] — credit card limit decrease after usage

Address:

500036

Dear Sir/Madam,

My Credit Limit as on[protected] was Rs.41000/-. I have made a EMI purchase Rs.20409.38/- on[protected]. On[protected], I have received a SMS intimating decrease of Credit Limit to Rs.11000/-(Received a Letter with the Same Date on[protected].
Despite of My continuous emails to the Customer Care and higher-ups, No response has been received.