Explanation:

- Correct Answer: Option 4: Vrindavan Lal Verma

- Vrindavan Lal Verma was an eminent Hindi novelist known for his historical fiction. He wrote “Mrignayani,” which is a celebrated work in his collection.

- Chatursen Shashtri

- He was another notable Hindi author, famous for historical novels. However, "Mrignayani" is not one of his works.

- Rangeya Raghav

- He was a writer who explored social issues extensively in his works, but he did not pen "Mrignayani."

- Sumitranandan Pant

- Pant was primarily known for his poetry and contribution to Chhayavad movement in Hindi literature, not for writing "Mrignayani."

Each author made significant contributions to Hindi literature, but Vrindavan Lal Verma is the writer we're looking for regarding "Mrignayani."