Explanation:

- The book 'Modi's Midas Touch in Foreign Policy' is written by Surendra Kumar.

- Surendra Kumar is an Indian diplomat and author who has written about foreign policy and international relations.

- Sunita Narayan is notable for her work in environmental policy, not foreign policy.

- P.S. Negi is another intellectual, but he is not associated with this book.

- Anuj Dhar is known for his research on India's history, particularly related to Netaji Subhas Chandra Bose, not foreign policy.

Based on the information above, the correct answer is:

- Option 1: Surendra Kumar