Did Sai Baba continue to help his devotees even after his Mahasamadhi?

Yes, the texts confirm that Sai Baba continued to provide help and darshan to his devotees even after attaining Nirvana in 1918. Chapter 33 provides the example of Narayanrao. A year after Baba's Samadhi, Narayanrao was afflicted by a severe illness for which all worldly remedies and medicines had failed. Despite being tormented by his illness, Narayanrao maintained constant meditation on Baba. The text poses the question, 'where is death for Guru Raaya?' and confirms that Baba gave darshan to Narayanrao in a dream one night, appearing from an underground chamber to provide him with assurance, demonstrating that his divine presence and aid transcend physical form.