Aishwarya Rai Bachchan's father, Krishna Raj Rai, is being treated for cancer in the hospital. The actress is tending to his needs now, after caring for Big B, who was also hospitalized sometime back. Though Ash is going through a rough patch, she knows that she has to keep up with her social commitments. Ash recently attended a party in town with hubby Abhishek, but rushed back home within 15 minutes. "Ash is going through a bad time. After her father-in-law it's her dad who has taken ill. She has been visiting the hospital everyday and doesn't like to leave her dad alone," informed a source.