Emraan Hashmi's four year-old son Ayaan, who was overseas for his treatment, is fine now. The actor's friends say that he has started going to school in Bandra since last week. “His treatment is complete. It's good to see Ayaan play around in the house. He's also excited to have started going to school and making new friends," says our source, adding that since then, Emraan too has been in a much relaxed state of mind.