With ICICI bank CCs, you have the option to reduce the credit limit to 10% of max credit limit. For OP, he can reduce it to 1 lac (approximately) if he wishes so in the future. Then, after a few months / years, he can increase again to 9 lakh. It takes upto 90 days to see the change in credit limit of ICICI cards in credit bureaus, though. With the recent change in reporting frequency, it may faster going forward.