Although the 71-year-old actor said he was not too concerned about the health issues as it is inevitable for human bodies to remain strong forever.
"Health issues shall always remain - we are perishable entities are we not - but for the moment the one that had jolted me recently has been taken care of... Sufficiently taken care of, to enable me to start gyming again... Felt good after a two hour session," Bachchan posted on his blog.
The veteran actor had also undergone a CT scan and was advised bed rest for a few days.
Bachchan also said he would be making an appearance on hit shows 'Comedy Nights with Kapil', 'Boogie Woogie' and 'Tarak Mehta Ka Ooltah Chashmah' among others to promote the horror comedy-drama.
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"The 'Bhoothnath Returns' promotions now take up all my spare time and travel. There is much to be done and there are time constraints. Radio, Television, print, Channel Shows, visits to cities, premieres...," he posted.
The actor would soon begin shooting for other projects.
"'Bhoothnath Returns' the film releases on April 11 world wide... R Balki's rather unusual and exciting film with Dhanush and Akshara starting work next month... TV serial shooting in progress and we hope that it comes on soon," he wrote.