Vivekanandan Krishnaveni Sasikala, also known by her married name Sasikala Natarajan, and often referred to by her initials VKS, is an Indian politician. She was a close associate of J. Jayalalithaa, the late chief minister of Tamil Nadu, who headed the All India Anna Dravida Munnetra Kazhagam (AIADMK) from 1989 until her death in 2016. After Jayalalithaa's death, the party's general council elected her as a temporary secretary general of AIADMK. Before entering the Central Prison in Bangalore, Sasikala appointed Edappadi K. Palanisamy as Chief Minister of Tamil Nadu. Palanisamy and other ministers removed her from the post and expelled her from the party in September 2017. Her dismissal was upheld by the Madras High Court in December 2023.