The correct answer is (a) Chandrika Kumartunga.
Chandrika Kumaratunga was the President of Sri Lanka from 1994 to 2005. She was the first female president of Sri Lanka and the first female head of state in South Asia. She was also the first president of Sri Lanka to be elected to a second term.
Kumaratunga was born in Colombo, Sri Lanka, in 1945. She is the daughter of Solomon Bandaranaike, who was the Prime Minister of Sri Lanka from 1956 to 1959, and Sirimavo Bandaranaike, who was the Prime Minister of Sri Lanka from 1960 to 1965, 1970 to 1977, and 1994 to 2000.
Kumaratunga studied at the University of Ceylon and the London School of Economics. She married Vijaya Kumaratunga, a politician, in 1978. They had two children, Yashodara and Anura.
Kumaratunga entered politics in 1979. She was elected to the Parliament of Sri Lanka in 1980. She served as the Minister of Foreign Affairs from 1984 to 1986.
In 1994, Kumaratunga was elected President of Sri Lanka. She was re-elected in 1999. During her presidency, she oversaw the end of the Sri Lankan Civil War.
Kumaratunga left office in 2005. She has since been involved in a number of charitable and political activities.
The other options are incorrect.
(b) Mahindra Rajapakse was the President of Sri Lanka from 2005 to 2015.
(c) Ratnashri Vikramnayake was the Prime Minister of Sri Lanka from 2001 to 2004.
(d) Rani Wickermasinghe was the Minister of Finance of Sri Lanka from 2004 to 2005.