This document presents a research synopsis on assessing the knowledge of renal diet among primary caregivers of renal failure patients. The study aims to evaluate the existing knowledge of primary caregivers regarding renal diet using a questionnaire and to develop a self-instructional module on renal diet. It will recruit 60 primary caregiver samples using non-probability purposive sampling from selected hospitals. Data will be collected using a demographic section and knowledge assessment questionnaire, and analyzed using frequency, percentage, mean and chi-square tests. Findings will be disseminated through publications and workshops.