During his visit to Chennai, Madurai and Coimbatore, Shah would hold discussions with party office bearers, he told reporters here.
"There will be a political change after his visit. And not a change of government..." Radhakrishnan said without elaborating.
On the demand for exemption of Tamil Nadu from NEET, he said it would not augur well for the future of students in the state.
The exemption would be disadvantageous to the future career of the students in the state, Radhakrishnan said.