Explanation:

- Option 1: VAMBAY - The Valmiki Ambedkar Awas Yojana was launched for providing housing units to the slum dwellers living below the poverty line. It doesn't specifically target assistance for elderly people.

- Option 2: NSAP - The National Social Assistance Programme offers support to elderly individuals through pensions, focusing on those below the poverty line.

- Option 3: PMGY - The Pradhan Mantri Gramodaya Yojana primarily aims at improving the quality of life in rural areas but does not specifically address elderly assistance.

- Option 4: PMRY - The Prime Minister’s Rozgar Yojana is mainly oriented towards providing employment to educated unemployed youth through subsidized loans.

Correct Answer: Option 2 - NSAP