The correct answer is Two Leaves and a Bud – Mulk Raj Anand.

Mulk Raj Anand was a prominent Indian novelist and essayist known for his contribution to the Indian English literature. His work often explored themes of poverty, social injustice, and the lives of marginalized communities in India. "Two Leaves and a Bud" is one of his most celebrated novels, reflecting these themes. It showcases his masterful storytelling and deep understanding of Indian society during a period of significant social and political change. The other options incorrectly pair authors with their works. While R.K. Narayan, Raja Rao, and Rabindranath Tagore are all highly regarded Indian writers, the titles listed aren't associated with them.

Understanding the literary contributions of Indian authors like Mulk Raj Anand is key to grasping the nuances of Indian English literature and its historical context. The examination of his works provides insight into the social and cultural landscape of India during a transformative period. His narrative style and themes continue to resonate with readers today, solidifying his place as a literary giant.