The former US president's spokesman rejected the allegations and said he never ordered surveillance on any US citizen.
They have also urged the Obama administration to review its decision in this regard.
The partial withdrawal would mean that Iran would stop exporting enriched uranium stocks as stipulated by the 2015 agreement.
The former US president also said the India-US relationship could be a "defining partnership of the 21st century" and that charting the course for the future will also depend on the young people of the two countries.
The 2020 race marks Biden's third attempt at running for US president. He first tried in 1988 but dropped out after allegations of plagiarism. He ended his second attempt in 2008 after garnering less than one per cent in the crucial Iowa caucuses.
"This is something we will keep working on together. We strongly support India's accession in the NSG," he said.
India has a huge trade surplus with US - over $20 billion a year in the past five years.
The United States is the worst affected country in the world from the coronavirus infection. There are 1.3 million coronavirus cases in the country and the death toll stands at 78,000.
'There is little appetite in the Democratic foreign policy establishment to pick a fight with India.'
Another petition claiming that India is "involved in spreading terrorism in its adjoining countries" has been submitted on the White House website.
Given Congressional objections, we have told the Pakistanis that they should put forward national funds for that purpose," US State Department spokesman John Kirby said.
On Monday, the US president and his wife celebrated their 24th wedding anniversary and the US president celebrated the special milestone by giving his lovely wife not one, but three sweet shout-outs on social media.
Third time lucky is an apt phrase to describe the remarkable rise of Joe Biden, a veteran in US politics for around five decades, from being one of the youngest senators in history to the oldest American president-to-be.
Sunny, who was born in Michigan in June 2012, is a Portuguese water dog just like Bo and works great for the Obamas because of allergies in their family.
President Donald Trump on Saturday accused his predecessor Barack Obama of "wire tapping" his office in New York just before the 2016 presidential elections and likened the alleged surveillance of his communications to the "Watergate" scandal.
'I hope that the incoming Biden-Harris Administration works with India to address some of the most profound geopolitical transboundary challenges.'
The Trump administration cited too many lawsuits and legal loopholes in the Obama-era regulation, which required public schools to allow students to use the bathrooms corresponding to their gender identities, as one of the reasons for its roll back.
'The hardliners in Delhi are in for a big disappointment,' predicts Ambassador M K Bhadrakumar.
The Obama administration said there has not been an "iota of change" on its policy on Kashmir, which considers it a bilateral issue between India and Pakistan, dismissing the latest Pakistani efforts to seek United States intervention in this regard.
"Disappointed to see the Pakistan PM use the UN to praise a militant group that uses violence to promote its cause," Congressman Ted Poe said in a tweet.
Christmas is around the corner and the White House is all ready to bring in the festival with lights and decorations. This year's holiday decorations at the White House, the Obamas' last, have the theme 'The Gift of the Holidays.'
'Biden's promise of returning to 'normalcy' after Trump appears to mean that the same old politicians, who are responsible for the 'endless wars' in Afghanistan, Iraq and Syria, are being brought out of the woodwork after four years,' notes Ambassador M K Bhadrakumar.
United States Defence Secretary Chuck Hagel has resigned under pressure, the first cabinet-level casualty coming close on the heels of Democratic Party loosing majority in the Senate and the Obama administration's struggle in dealing with the Islamic State.
The spacecraft is the first to take the American astronauts to orbit from American soil in nearly a decade.
In a jolt to pro-Khalistan groups in the United States, the Obama administration on Tuesday refused to declare the 1984 anti-Sikh riots in India as genocide, but noted that grave human rights violations had occurred.
The controversial memo drafted by GOP House Intelligence Committee Chairman Devin Nunes alleged the FBI abused its surveillance authority.
'Saying the private industry will come and transform India's space programme is real moonshine!'
United States President Trump has been nominated along side his arch nemesis dictator Kim Jong-un.
The US president's decision reverses the policy initially approved under Obama.
After Modi became the prime minister, the Indo-US relationship has seen an upward trajectory, he said.
According to latest available figure, the Obama campaign have raised a record $1.037 billion.
The move has now been stalled as lawmakers raised questions about the end use of the combat aircraft.
Whatever be Kamala Harris's preference for her identity, many Indians in the US will rally around her as she is the first person with Indian blood in her veins to get close to the White House, observes Ambassador T P Sreenivasan.
The protest outside the NRG stadium against Prime Minister Narendra Damodardas Modi's visit at the NRG Stadium was seemingly irrepressible, displaying signs saying 'Free Kashmir', '8 million people caged', 'Go back Modi' -- and worse.
The White House says President Trump is 'extremely upset' with the 'poorly-crafted' refugee deal with Australia.
He's met the Obamas, calls Britain's Queen Elizabeth II granny and is delightful as one can be. Meet Prince George -- one of the world's most recognisable children. As he turned 5 on Sunday (July 22), we gathered a collection of his cutest moments.
A strong partnership with US would deter China from making any aggressive posture against India, said Puneet Ahluwalia, a member of the Trump's Advisory Committee on Asian Americans.
Even as Mitt Romney is yet to bag his Republican Party's nomination for the November presidential polls, the Obama campaign has recognised the former Massachusetts governor as the opponent to the incumbent US President.
The White House released Barack Obama's tax return on Thursday -- the day all Americans have to file their tax returns.
Here's what lies ahead for Obama on Day 1 of his three-day visit: