A man casts his vote during the second phase of the country's general elections in Chennai, India, Thursday, April 18, 2019. (AP Photo/R. Parthibhan)

People stand in a queue to cast their votes during the second phase of the general elections in Chennai, India, Thursday, April 18, 2019. (AP Photo/R. Parthibhan)

A Muslim woman displays the indelible ink mark on her finger after casting her vote, outside a polling station in Chennai, India, Thursday, April 18, 2019. (AP Photo/R. Parthibhan)

People stand in a queue to cast their votes during the second phase of India's general elections in Chennai, India, Thursday, April 18, 2019. (AP Photo/R. Parthibhan)

Superstar Rajnikanth arrives to cast his vote during the second phase of the general elections in Chennai, India, Thursday, April 18, 2019. (AP Photo/R. Parthibhan)

Superstar Rajnikanth casts his vote during the second phase of the general elections in Chennai, India, Thursday, April 18, 2019. (AP Photo/R. Parthibhan)

Dravida Munnetra Kazhagam (DMK) leader M.K. Stalin, centre wearing white, stands in a queue to cast his vote at a polling station during the second phase of the general elections in Chennai, India, Thursday, April 18, 2019. (AP Photo/R. Parthibhan)

Dravida Munnetra Kazhagam (DMK) leader M.K. Stalin displays the indelible ink mark on his finger after casting his vote during the second phase of the general elections in Chennai, India, Thursday, April 18, 2019. (AP Photo/R. Parthibhan)

Indian agricultural scientist M.S. Swaminathan leaves a polling station after casting his vote during the second phase of the general elections in Chennai, India, Thursday, April 18, 2019. (AP Photo/R. Parthibhan)

People stand in a queue to cast their votes during the second phase of the general elections in Chennai, India, Thursday, April 18, 2019. (AP Photo/R. Parthibhan)

People stand in a queue to cast their votes during the second phase of the general elections in Chennai, India, Thursday, April 18, 2019. (AP Photo/R. Parthibhan)

A soldier stands guard as people wait in a queue to cast their votes during the second phase of the general elections in Chennai, India, Thursday, April 18, 2019. (AP Photo/R. Parthibhan)