Complex sentence: The Indian states Kerala, Andhra Pradesh, and Mysore State are formally created under the States Reorganisation Act; two years later, on the same date, Kanyakumari district is joined to Tamil Nadu state from Kerala.
Split into simpler sentences: The Indian states Kerala, Andhra Pradesh, and Mysore State are formally created under the States Reorganisation Act. In India, Kanyakumari district is joined to Tamil Nadu state from Kerala.