Correct Option: D

The honorific Mahatma (“Great Soul”), was given to him in 1915 by his friend Rabindranath Tagore. He never accepted the title because he considered himself unworthy of it. There are several accounts to this story but generally it is believed that the poet Rabindranath Tagore called him Mahatma. Other story is that Nautamlal Bhagavanji Mehta or the Nagar Sheth of Jetpur was the first to use and bestow Mahatma for Gandhiji on January 21, 1915 at Kamri Bai School, Jetpur, India.