Concept:PM-SYM is an acronym for a government pension scheme for unorganized workers, where each letter stands for a specific word in Hindi/English.Explanation:PM-SYM stands for Pradhan Mantri Shram Yogi Maan-dhan. It is a voluntary and contributory pension scheme launched on 15th February 2019 by the Ministry of Labour and Employment. The scheme targets unorganized workers earning ₹15,000 or less per month, aged 18–40 years. Subscribers receive a minimum assured pension of ₹3,000 per month after age 60, with the government matching the subscriber’s contribution. In case of the subscriber’s death, the spouse gets 50% of the pension as family pension. The scheme is implemented through LIC and Common Service Centres.Answer:The full form of PM-SYM is Pradhan Mantri Shram Yogi Maan-dhan (Option D).