The ruling ADMK party, which has been queued up with allegations and controversies, is striving for another five-year term in the assembly amid the oppositions.
Vasan's campaign for the upper house has come at a crucial time when the senior leaders of ADMK have been stressing the party's chiefs to keep its candidates on the fray for the three Rajya Sabha seats.
On Tuesday, the Election Commission of India has announced the schedule for the elections to 55 Rajya Sabha seats in 17 states that are due to get expired in April.
AAP has again restored its stronghold the nation's capital nearly eight months after the party has lost all the seven Lok Sabha constituencies of Delhi to the BJP in 2019 Lok Sabha elections.