Actress Aishwarya Rai is down with a "chest infection" and "flu-like symptoms" and her father-in-law, Bollywood megastar Amitabh Bachchan, is worried.

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"Aishwarya has taken ill and is down with chest infection and flu like symptoms. She had a high fever yesterday, but is settling down today," he posted on his blogu00a0from Singapore.

"It's worrying to be so far away from children and not be there to look after them. Yes, they are mature and married and responsible, but children will always remain children," he added. Aishwarya is married to Bachchan's son Abhishek.