A former Indian American executive of Koss Corp, accused of using her position to fraudulently obtain more than $31 million from the stereo headphone manufacturer, has been indicted on six counts of wire fraud.

In what was described as one of the largest embezzlement cases in the US, a grand jury in Milwaukee, Wisconsin returned an indictment on Wednesday against Sujata 'Sue' Sachdeva, former vice president of finance and secretary of the Milwaukee-based firm.