**Core Concept:** The Rajiv Gandhi Shramik Kalyan Yojana (RGSKY) is a social security scheme initiated by the Indian government for the benefit of unorganized sector workers, particularly those in the informal labor force. It focuses on providing financial support, insurance coverage, and social security to these workers.

**Why the Correct Answer is Right:** The correct answer, C, refers to the 'Social Security Scheme for Unorganized Sector Workers' which is a part of the Rajiv Gandhi Shramik Kalyan Yojana (RGSKY). This scheme was established to address the needs and challenges faced by the unorganized sector workers, who are usually involved in informal labor activities and lack proper insurance and social security coverage.

RGSKY covers a wide range of benefits, including financial assistance in case of accidents, disability, or death, and healthcare coverage through the Pradhan Mantri Jeevan Jyoti Bima Yojana (PMJJBY). The scheme aims to improve the living standards and well-being of these workers and their families.

**Why Each Wrong Option is Incorrect:**

A: This option refers to the 'Rajiv Gandhi Jeevanjyoti Bima Yojana' which is a separate life insurance scheme under RGSKY, not related to social security.

B: This option refers to the 'Social Security Scheme for Fishermen' which is another part of RGSKY, but not the main social security scheme for unorganized sector workers.

D: This option refers to the 'Social Security Scheme for Domestic Workers' which is also a component of RGSKY, but not the primary social security scheme for unorganized sector workers.

**Clinical Pearl:** The RGSKY highlights the importance of addressing the social and healthcare needs of marginalized sectors in our society, such as unorganized sector workers, and provides a comprehensive framework for their welfare and protection. Understanding the various schemes under RGSKY, like PMJJBY and the Social Security Scheme for Domestic Workers, is essential for healthcare professionals to understand social security initiatives in India and contribute to improving the overall health and wellbeing of marginalized communities.