Lalu Yadav, 69, who had undergone a bypass surgery a few years ago, had sought an appointment with renowned heart surgeon Ramakant Panda at the institute, sources close to his family had said earlier.
The former Bihar chief minister, convicted in fodder scam cases, has been granted a six-week bail by the Jharkhand High Court.
Lalu Yadav, who has been in jail since December 23 last year after being sentenced in a fodder scam case, was subsequently convicted and sentenced to jail in two more fodder scam cases.
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. Election results will be out on May 23.