A Lamp Left On is a heartwarming story about a shy girl, Ira, who finds her voice with the patient guidance of her teacher, Ms. Shalini. Through writing, encouragement, and quiet mentorship, Ira overcomes her fears, discovers confidence, and learns to inspire others, showing how one gentle light can illuminate a lifetime. The summary has been shortened and now captures the essence of the story in a concise, heartwarming way.