Concept:PM-SYM is the abbreviation for Pradhan Mantri Shram Yogi Maan-dhan, a central government pension scheme designed for unorganized sector workers.Explanation:Launched on 15th February 2019, PM-SYM is a voluntary and contributory pension scheme. It assures a minimum pension of Rs. 3000 per month after the subscriber turns 60 years old. The scheme targets workers in the unorganized sector earning a monthly income of Rs. 15,000 or less and aged between 18 and 40 years. The subscriber’s contribution is matched by the Government of India. If the subscriber passes away, the spouse receives 50% of the pension as a family pension.Answer:Option D: Pradhan Mantri Shram Yogi Maan-dhan.