Companies garnered over Rs 75,000 crore from capital markets in September, a decline of 31 per cent from the preceding month, with private placement of debt instruments continuing to be the most preferred route for financing business. According to data available with the markets regulator Sebi, companies raised a total of Rs 75,230 crore in September as compared to Rs 1.1 lakh crore in August by way of issuing equity and debt securities.