The correct answer is RK Narayan.

• ‘The Man-Eater of Malgudi’ is written by RK Narayan.
  • The Man-Eater of Malgudi is a 1961 Indian novel, written by R. K. Narayan.
  • In this novel, R.K. Narayan uses the historical reference of Bhasmasura.
• Rasipuram Krishnaswami Iyer Narayanaswami, commonly known as R. K. Narayan.
  • He was an Indian writer known for his work set in the fictional South Indian town of Malgudi.
  • He was a leading author of early Indian literature in English along with Mulk Raj Anand and Raja Rao. 
• Hence, option 3 is correct. 

• K. R. Narayanan :
  • Kocheril Raman Narayanan was an Indian diplomat, academic, and politician.
    •  who served as the 10th President of India and 9th Vice President of India.
  • Books:
    • Images and insights, Nehru and his vision, President Speaks: Three Speeches of President K R Narayanan in the 21st Century India, In the Name of the People: Reflections on Democracy, Freedom, and Development
• RK Laxman :
  • Rasipuram Krishnaswami Iyer Laxman, commonly known as R. K. Laxman, was an Indian cartoonist, illustrator, and humorist.
  • He is best known for his creation The Common Man and his daily cartoon strip.
  • Initially, Laxman started with freelance projects.
  • He was also a writer and published many short stories.
  • Books :
    • The best of Laxman, Laugh with Laxman, Dose of laughter, The Hotel Riviera