Mukherjee spoke over telephone to Yadav and enquired about the latest situation and assessment of people killed in the earthquake, a statement from Rashtrapati Bhawan said.
The President assured Yadav of fullest cooperation and all possible assistance to Nepal from India, it said, adding that "people of India are with the people of Nepal in the hour of crisis."
He also condoled the death of those killed the worst earthquake in 80 years.
The earthquake with epicentre at Lamjung, around 80 kms northwest of Kathmandu, had its impact in several cities in Bihar, West Bengal and Uttar Pradesh as tremors were felt across vast stretches of east and northeast India.