Bera, the only elected Indian American in the current Congress, is seeking re-election from a challenging Congressional district in California for the third consecutive term.
He has identified two others -- Raja Krishnamoorthi from Chicago and Pramila Jayapal from Seattle -- most likely to be elected to the US House of Representatives.
"We are gearing up the opportunity to welcome at least one, may be two or three other Indian Americans to the Congress," Bera told PTI in an interview.
Political pundits have favored Krishnamoorthi and Jayapal to win the House of Representatives elections in their November 8 general elections.
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Latest polls suggest that Harris has increased her lead over her nearest rival.
Bera, 51, is facing a challenge from Republican Scott Jones, who was elected as Sheriff of the Sacramento County in 2010 and then reelected in 2014.
In both the previous two elections in 2012 and 2014, he was declared elected only after recounting of votes.
Bera received a big boost to his campaign this week after he was endorsed by President Barack Obama.
"I'm proud to endorse Dr Ami Bera for the United States House of Representatives. In Congress, Ami has had my back as we've worked to make the country stronger, safer, and fairer for California families - and now I have his back," Obama said in a statement.
Bera said he is honored to receive the endorsement of Obama.