The Madras High Court had yesterday rejected the VC's petition to quash the IT summons, following which she appeared before the authorities, sources said.
The department had yesterday searched the media production house run by Radhika Sarath Kumar.
Earlier, the I-T officials had interrogated Health Minister C Vijayabhaskar and Sarath Kumar after searches on the premises of Health Minister Vijayabhaskar and Sarath Kumar in Chennai.
The searches on the premises of Vijayabhaskar's associate had allegedly revealed routing of Rs 89 crore for "distribution among voters" in RK Nagar Assembly constituency, where the bypoll was cancelled over charges of use of money power.
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