Shiv Sena leader Sanjay Raut, who has been holding the fort for the party during the ongoing political crisis, was hospitalised on Monday after he complained of chest pain.
His condition was stated to be stable and is expected to be in the hospital for a couple of days.
Raut (57), is a member of the core team of Shiv Sena president Uddhav Thackeray. He is a three-term Rajya Sabha member and Executive Editor of Saamana, the Shiv Sena mouthpiece.
Raut is under treatment of a panel of doctors including Dr Jaleel Parkar and Dr Ajit Menon.
"Sanjay sahab is okay and stable," Raut's brother Sunil Raut said.
"Since last 15 days he has been suffering from chest pain. But it's not serious. He has been admitted for a routine check-up. I think today evening (Monday) his angiography will be performed and he would be discharged in a day or two," he said.
"Raut came to the hospital two days back also for a routine check-up. An ECG (electrocardiogram test) was then done followed by some check-ups. Based on the ECG report, doctors advised him to come to the hospital today for further tests," doctors said.
Over the last fortnight, as a spokesperson and troubleshooter, Raut's schedule has gone haywire.