Covid-19, the Reserve Bank of India (RBI) said on Friday.However, the over-leveraged non-financial sector, simmering global geopolitical tensions and economic losses on account of the pandemic are major downside risks to global economic prospects, it said in its 21st Financial Stability Report.Actions undertaken by financial sector regulators and the government to mitigate the impact of Covid-19 eased operational constraints and helped in maintaining market integrity and resilience in the face of severe risk aversion.Bank credit which had considerably weakened during the first half of 2019-20 slid down further in the subsequent period with the moderation becoming broad-based across bank groups, said the central bank.The capital to.