Corporate balancesheets in India remains stressed but the ability of companies to pay interest on loans improved slightly in the quarter ended September.According to Credit Suisse’s Corporate Health Tracker report dated November 17 , the share of debt held by companies with interest coverage ratio of less than one was at 40 percent of the total debt, down 2 percentage points from the previous quarter, the report added. Interest coverage, the ratio of operating profit to interest expenses, is used to determine how easily a company can service interest payments on outstanding debt. A ratio of one or more means that the company will cover its cost of debt for the year.