R. Doraisamy, also known as Challenger Dorai, is an Indian politician and was a member of the 14th Tamil Nadu Legislative Assembly from the Coimbatore South constituency. He represented the All India Anna Dravida Munnetra Kazhagam party.[1] In 2024, he joined the Bharatiya Janata Party in the presence of Tamil Nadu BJP chief K. Annamalai and Rajeev Chandrasekhar.[2][3][4]
The elections of 2016 resulted in his constituency being won by Amman K. Arjunan.[5]