"So it's very regrettable that the President reportedly is bringing a partisan congressional delegation with him," Congressman Ed Royce, Chairman of the powerful House Foreign Relations Committee said in a statement.
Four US lawmakers - all from the Democratic Party - have travelled to India with Obama.
They are Nancy Pelosi, former Speaker of the US House of Representatives, Senator Mark Warner (Co-Chair of the Senate India Caucus); Congressmen Joe Crowley, a longtime friend of India in the Congress and Ami Bera, who is the only Indian- American lawmaker in the current Congress.
"It has been a bipartisan coalition that has helped bring India to the forefront in Congress, including by passing the US-India civilian nuclear energy cooperation bill. Unfortunately, the Obama Administration's one-party congressional delegation undermines that spirit of cooperation and accomplishment," Royce said.
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One of the founding members of the Congressional Caucus on India and Indian Americans, Royce is its former Co-Chair.
Despite his disappointment, Royce said he would continue to work for a stronger India-US relationship.
"Nevertheless, as Chairman of the Foreign Affairs Committee, I will continue to work with the Administration and Prime Minister Modi's government to overcome this blunder and forge stronger US-India ties, which are very much in our nation's interest," Royce said.