Kesavadas s/o A. Achyuthan Nair is a Malaysian politician and lawyer who has served as a Senator representing Negeri Sembilan from May 2019 to May 2022 and again from April 2022 to April 2025. He is a member of the Democratic Action Party (DAP), a component party of the Pakatan Harapan (PH) coalition.
Kesavadas is a lawyer and practicing under the law firm A.k. Das & Associates in Malacca.
At the party level, he was a state vice chairman of DAP of the Negeri Sembilan alongside Teo Kok Seong from 2018 until 2024.
On 20 March 2019, Kesavadas was elected to the Parliament as a Senator representing Negeri Sembilan for the first term after being nominated and approved by the Negeri Sembilan State Legislative Assembly. On 19 March 2022, his first 3-year term ended. On 25 April 2022, he was reelected as Senator for the second term after being renominated and reapproved by the assembly.
Kesavadas also discussed the establishment of a Royal Commission of Inquiry regarding the cartel of non-halal imported meat that was detected in 2020 and the government has agreed to set up the commission.