HDFC Bank Ltd., India’s largest private-sector lender, has put two senior executives on gardening leave amid a probe after customers alleged mis-selling of Credit Suisse securities, according to people familiar with the matter.The bank took the step over the last few months with the employees, who were at the centre of the allegedly disputed trade of Credit Suisse’s Additional Tier-1 bonds, the people said, asking not to be identified discussing confidential matters.In response to Bloomberg queries, an HDFC ...