The correct answer is A) K. Chandrashekar Rao.
K. Chandrashekar Rao is an Indian politician who is the founder and president of the Telangana Rashtra Samithi (TRS). He was the first Chief Minister of Telangana, a state that was formed in 2014. Rao played a key role in reviving the Telangana statehood movement in the early 2000s.
N. T. Rama Rao was an Indian actor, director, and politician who served as the Chief Minister of Andhra Pradesh from 1983 to 1989. He was the founder of the Telugu Desam Party (TDP). Rama Rao was not involved in the Telangana statehood movement.
Y. S. Rajasekhara Reddy was an Indian politician who served as the Chief Minister of Andhra Pradesh from 2004 to 2009. He was the founder of the YSR Congress Party. Rajasekhara Reddy was not involved in the Telangana statehood movement.
N. Chandrababu Naidu is an Indian politician who served as the Chief Minister of Andhra Pradesh from 1995 to 2004 and from 2014 to 2019. He is the founder and president of the Telugu Desam Party (TDP). Naidu was not involved in the Telangana statehood movement.