Short answers, pulled from the story.
Harilal Mohandas Gandhi was born on the 23rd of August 1888 to Mahatma Gandhi and Kasturba Gandhi. His father left for England shortly after his birth while Harilal stayed behind in India with his mother.
Harilal Gandhi rebelled against his father's decision to oppose him studying law in England during 1911. He believed Western education would not help the struggle against British rule so he renounced all family ties that year.
After Gulab Gandhi died during the 1918 influenza pandemic Harilal became detached from his remaining children. This failure led to further descent into alcoholism for Harilal as he contemplated marrying his wife's sister Kumi Adalaja.
Harilal Gandhi died of tuberculosis on the night of the 18th of June 1948 at a municipal hospital in Mumbai now known as the Sewri TB Hospital. His death certificate is preserved at the Brihanmumbai Municipal Corporation's archives in Vakola.
Akshaye Khanna portrayed Harilal Gandhi in the film adaptation of Gandhi My Father which was released on the 3rd of August 2007. The production was directed by Feroz Abbas Khan and produced by Anil Kapoor.