Chennai, Jan 30 : Life insurance giant Life Insurance Corporation of India (LIC) on Monday said it has invested in Adani Group's debt securities which were rated AA and above by credit rating agencies. In a regulatory filing, the LIC said the credit rating of all of the Adani debt securities held by LIC are 'AA' and above which is in compliance with the IRDAI investment regulations as applicable to all life insurance companies. Shares of Adani group's listed entities came down after short seller Hindenburg Research came out with a report alleging fraud by the Indian conglomerate. Earlier, the State Bank of India (SBI) came out with a statement saying that its exposure to Adani group is well below the large exposure framework. However, it was LIC which said the credit rating of all of the Adani debt securities held by it are 'AA' and above.