Prime Minister Narendra Modi on Sunday expressed his grief over the demise of Beau Biden, the son of US Vice-President Joe Biden.
"Saddened to learn about the passing away of Beau Biden, the eldest son of US Vice-President Joseph Biden, at a young age," Prime Minister Modi tweeted.
"Apart from a deep loss to the family, a promising public career has been tragically cut short. Our deepest condolences to the Biden family," he added.
Biden died of brain cancer at the age of 46.
The former Delaware Attorney General, who was planning to run for state governor in 2016, was admitted to the Walter Reed Army Medical Centre, near Washington, earlier this month, reported the BBC.