Exit polls suggest a win for Narendra Modi in world's biggest elections

Indian supporters of the Bharatiya Janata Party (BJP) wear the mask of Prime Minister Narendra Modi during one of his political campaigns in Gohpur, in the northeastern state of Assam on March 30, 2019.

Varanasi, India (CNN)Indian Prime Minister Narendra Modi is on course to win a second term after polling in the world's biggest election came to a close on Sunday, initial exit polls suggest.

Most major exit polls, conducted by local media, put the ruling Bharatiya Janata Party (BJP), led by Modi, and its National Democratic Alliance (NDA) coalition as winning a clear majority when results are announced on May 23.
Modi's BJP has been fighting it out for the votes of 900 million people against the main opposition Congress Party, led by political scion Rahul Gandhi, and other big regional players, over the course of six weeks of polling.
A party needs to win 272 seats out of 543 in the Lok Sabha, or lower house of parliament to form a government.
    Electoral rules permit the publishing of national exit polls after voting ends on the final day of polling.
    In the past, Indian exit polls have proved unreliable in predicting precise seat tallies, both in national and state elections, given the size of the electorate and the regional variations across the country.
    In 2014 most polls did, ho