The multiple premises linked to wellness guru Kalki Bhagwan was raided by IT department. Sources said the 'undisclosed' income detected could exceed Rs 600 crore and the self-styled godman may be summoned for questioning.
The trusts and companies led by the spiritual guru, who propounded what he called "oneness philosophy", were also likely to face probe under the Black Money (Undisclosed Foreign Income and Assets) and Imposition of Tax Act, 2015, the sources said on Tuesday.
During the six-day long searches, which ended on Monday, the group was found to have invested in firms in the country and abroad, including in tax havens, they claimed.
Meanwhile, Kalki Bhagwan, also hailed as "Sri Amma Bhagawan" by his followers, in a video message scotched rumours that he has fled the country.
"We have not fled the country, nor have we gone anywhere... we are only in Nemam (Tamil Nadu) and we wish to inform you that we are in very good health and that we are perfectly fine," he said in the video in which his wife was also seen.
IT sources told PTI the undisclosed income could be in excess of Rs 600 crore, adding investigation was in progress.