"It was a scheduled check-up and there is nothing to worry. After all his reports are received later today (Monday), his family will decide future course of action," an official of the Asian Heart Institute (AHI) told IANS.
He is currently under the supervision of AHI chief and renowned heart surgeon Ramakanta Panda.
Initially though some reports suggested that he was ill and had to undergo a heart surgery.
Meanwhile, counting for the by-polls in Bihar began on Monday morning.