Harris' acceptance came two days after former Vice President Joe Biden on Tuesday was formally nominated as the Democratic Party's candidate to take on President Donald Trump in the November 3 election.
In an unprecedented roll call vote that took place entirely online due to the Coronavirus pandemic, all 50 states and seven territories announced their vote tallies that cemented Biden's role as the party flag-bearer on Tuesday.
She ripped into President Donald Trump for his alleged mismanagement of Coronavirus and also vowed to defeat him to repair the racial divisions that have roiled the country.
Harris, 55, whose father is an African from Jamaica and mother an Indian, is currently the US Senator from California and often has been described as a trailblazer by former president Barack Obama.
President Trump is seeking re-election to the White House in the November 3 presidential elections in the United States.
At the mega 'Howdy, Modi' event, Prime Minister Narendra Modi had endorsed US President Donald Trump for a second term, saying 'Abki Baar Trump Sarkar'.
Kamala Harris, who is the first Indian-origin US Senator and first black Senator from California, is the fourth Democratic woman leader to enter the presidential race.
