MUMBAI Transactions worth . 7,191.11 crore were carried out using credit cards in the country in June, 2011, translating into a growth of 29.8% over the same month last year. The number of credit cards in circulation has, however, declined by over 6.7% to 1.76 crore as of June 30, 2011. Transactions by credit card during Q1 of this fiscal stood at . 22,127.50 crore, a jump of 30.5%.