Ram, a 75-year-old, transferred his ancestral house to his son Raghu through a gift deed with the condition that Raghu would provide him with basic necessities. After receiving the property, Raghu started neglecting his father, refusing to provide proper care and denying him access to a portion of the house. In light of the Maintenance and Welfare of Parents and Senior Citizens Act, 2007, answer: (a) Is there any remedy available for Ram? What is the status of the gift which he executed in Raghu's favour? (b) Who has an obligation to maintain a senior citizen under the Act?