A 45-year-old woman was shot at and critically injured by two motorcycle-borne assailants in broad day light on Thursday while waiting for an auto at a bus stand in Loni near here along with her sister, said police. The victim, Indira Verma, who received the bullet shot in the back of her head was rushed to GTB Hospital in Shahdara and is battling for the life, said Loni Deputy Superintendent of Police Raj Kumar Pandey.