The doctors attending the Chief Minister informed him that Sayeed was recovering and responding well to the treatment.
Singh who was also accompanied by MP Avinash Rai Khana.
President of the Peoples Democratic Party (PDP) and MP Mehbooba Mufti, who is the daughter of the Chief Minister, was also present at the hospital.
79-year-old Sayeed was flown to Delhi in a state aircraft on December 24 and admitted in a private ward in AIIMS with complaints of fever and chest pain at his residence in Srinagar.