Concept:The field of a Padma Shri award is based on the primary area of the recipient's work or service.Explanation:Prabhaben Sobhaghchand Shah was a renowned social worker.She belonged to Dadra and Nagar Haveli, Daman, and Diu.She passed away in January 2023 in Daman at the age of 92.She received the Padma Shri award in 2022 for her outstanding contributions in social service.Hence, her award was given in the field of Social Work.Answer:B. Social Worker