Jean Chretien, who was Canada's Prime Minister from 1993 to 2003, joined a chorus of officials from the northern US neighbour who say Trump's remarks are no longer a joke and may undermine America's closest ally.
The warm personal camaraderie between the two leaders came through in the telephonic conversation as Trump said the "whole world loves Modi" and described India as a magnificent country and the prime minister as a magnificent man, they added.
Biden is expected to make the announcement in coming days, along with choices for other key health posts, including head of the Centers for Disease Control and Prevention.
In the virtual meeting with national security and climate policy staff on Monday, Biden reiterated his intention to ensure climate change is a core national security priority.
The new hires: Elizabeth E. Alexander, Communications Director for the First Lady, Kate Bedingfield, White House Communications Director, Ashley Etienne, Communications Director for the Vice President
Biden, 78, spent most of Sunday in doctor offices - first at Delaware Orthopaedic Specialists in Newark, Delaware and subsequently at another location for a CT scan.