"Indeed. There is no place for corruption in India. Those who looted the poor & middle classes will have to return what they have looted," he tweeted.
He was responding to a tweet by a follower who wrote that "...corruption not only robs us of hard earned money but also of our dignity."
In response to another tweet, Mr Modi wrote, "India's farmers are the nation's pride. Their hardwork feeds millions. We are doing everything possible for their welfare."
Get the latest election news, live updates and election schedule for Lok Sabha Elections 2019 on ndtv.com/elections. Like us on Facebook or follow us on Twitter and Instagram for updates from each of the 543 parliamentary seats for the 2019 Indian general elections.