Accompanied by just a band of 25 supporters, Radha traverses long distances from dawn to dusk in the heat, confident she can put up a tough fight in a seat dominated by the DMK and AIADMK and actor Kamal Haasan's Makkal Needhi Maiam.
Of the six Rajya Sabha seats up for grabs, four are currently with the AIADMK, one with DMK and one with CPI.
The BJP president dared DMK's M K Stalin and Congress' Rahul Gandhi to give an account of the contribution for Tamil Nadu's development during the previous Congress-led UPA regime.
The Makkal Needhi Maiam (MNM) president said the promises made to farmers "might look impressive" but that it would amount to a "paltry sum," when broken down to per diem.
PM Says Situation Similar to 'Social Emergency', Suggests Lockdown Won't Be Lifted in One Go
Hotspots in 15 UP Districts to be Sealed Till April 15, Govt Assures Home Delivery of Essentials
Behaviour or Biology? Coronavirus Kills Men Twice as Often as Women in New York
New Research Links Air Pollution to Higher Coronavirus Death Rates