**Core Concept**
The question requires knowledge of a specific committee related to health and family planning, which is a crucial aspect of public health and community medicine. This committee is responsible for implementing multipurpose workers in various health and family planning programs.

**Why the Correct Answer is Right**
The correct committee known as "The Committee on Multipurpose Workers under Health and Family Planning" is the Bhore Committee. This committee was formed in 1943 and played a pivotal role in shaping India's healthcare system. The Bhore Committee recommended the establishment of multipurpose workers to provide comprehensive health services, including family planning, at the grassroots level. These workers were trained to provide a wide range of services, including maternal and child health care, immunization, and family planning.

**Why Each Wrong Option is Incorrect**
* **Option A:** The Arora Committee is not directly related to multipurpose workers under health and family planning. The Arora Committee was formed in 1975 and focused on health manpower policy.
* **Option B:** The Chadah Committee is not known for its work on multipurpose workers. The Chadah Committee was formed in 1975 and focused on health services in rural areas.
* **Option C:** The Shrivastav Committee is not directly related to multipurpose workers under health and family planning. The Shrivastav Committee was formed in 1975 and focused on health services in rural areas.

**Clinical Pearl / High-Yield Fact**
The Bhore Committee's recommendations had a significant impact on India's healthcare system, and its emphasis on multipurpose workers remains a crucial component of public health programs in the country.

**Correct Answer: D. Bhore Committee**