**Core Concept**
The Rajiv Gandhi Shramik Kalyan Yojana (RGSKY) is a social security scheme aimed at providing financial assistance to insured workers in the unorganized sector, including construction workers and others. This scheme is a part of the Employees' State Insurance (ESI) Act, 1948, which provides various benefits to insured employees.

**Why the Correct Answer is Right**
The RGSKY provides various benefits to covered employees, including medical benefits, disability benefits, and death benefits. The scheme also provides maternity benefits, funeral expenses, and unemployment allowance. In addition, the scheme provides cash assistance to insured workers in case of sickness, injury, or disablement. This benefit is provided under the ESI Act, which is a comprehensive social security scheme for workers in the unorganized sector.

**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because it does not specify the benefit provided under the RGSKY. The RGSKY provides various benefits, but this option does not mention any specific benefit.
* **Option B:** This option is incorrect because the RGSKY does not provide old-age pension. The old-age pension is provided under the Employees' Provident Fund (EPF) scheme.
* **Option C:** This option is incorrect because the RGSKY does not provide housing benefits. The housing benefits are provided under the ESI Act, but they are not the primary benefit provided under the RGSKY.

**Clinical Pearl / High-Yield Fact**
The RGSKY is a comprehensive social security scheme that provides various benefits to insured workers in the unorganized sector. It is essential for postgraduate medical students to understand the benefits provided under this scheme to identify the correct answer in multiple-choice questions.

**Correct Answer:** C.