‘Sevasadan’, ‘Karmabhoomi’ and ‘Gaban’ are some of the masterpieces of which Hindi writer?

‘Sevasadan’, ‘Karmabhoomi’, and ‘Gaban’ are highly celebrated novels written by Dhanpat Rai Srivastava, profoundly known by his pen name Munshi Premchand. Known as the "Upanyas Samrat" (Emperor among Novelists), his writings vividly capture the struggles of the Indian rural peasantry and lower-middle-class social realities.