Explanation:

- Correct Answer: Option 2 - R K Narayan

- R K Narayan is a renowned Indian author who wrote "The English Teacher" in 1945. It is part of his famous trilogy that includes "Swami and Friends" and "The Bachelor of Arts."

- Option 1: Ruskin Bond

- Ruskin Bond is a celebrated Indian author known for his works centered around life in the hills, especially for children and young readers, but he did not write "The English Teacher."

- Option 3: Khushwant Singh

- Khushwant Singh was a prolific Indian author and journalist, known for books like "Train to Pakistan," but he did not author "The English Teacher."

- Option 4: Vikram Seth

- Vikram Seth is known for his novels such as "A Suitable Boy," but he is not the author of "The English Teacher."