Question

from which day was gandhi called "the father of the nation"

Answer 1

Mohandas Karamchand Gandhi came to be known as Father of the Nation when India got freedom on 15 August,1947 and after his death on 30 January,1948.

Answer 2

Mahatma Gandhi famously known as bapu was called 'father of the nation' after his death on 30 January,1948.