Chennai: Tamil superstar Rajnikant has been admitted to a private hospital for various check-ups. The star has been suffering from viral fever and exhaustion recently.

The 61 year-old actor was admitted on Friday night to the Sri Ramachandra Medical University (SRMU) at suburban Porur, days after he was discharged from another hospital where he had been treated for allergic bronchitis and viral fever.

"Rajnikant has been admitted for various check-ups and not for any treatment", SRMU sources said.

Rajnikant's family had on Friday dismissed reports that his health had deteriorated terming them as rumours.

The actor had suffered from exhaustion on April 29, the first day of the shoot of his new period film 'Rana' co-starring Deepika Padukone which is being directed by K S Ravikumar.