The actor tweeted the photograph on Tuesday and captioned the image: "Stamping started on hands with voter ink, in Mumbai .. keep safe , be cautious , remain isolated if detected."
Big B has been actively spreading awareness on social media to curb the spread of COVID-19. He recently announced that he would be cancelling the ritual of Sunday meeting with fans to keep everyone safe.
The iconic star had earlier also penned a poem and posted a video of his rendition of the same on Twitter.
