President Ram Nath Kovind is undergoing check-up at the Army's Research and Referral hospital here after complaining of chest discomfort on Friday morning, the hospital said.
It said he is undergoing routine check-up and is under observation.
"President of India visited Army Hospital (R&R) following chest discomfort this morning. He is undergoing routine check-up and is under observation," the hospital said in a medical bulletin.
"His condition is stable," it added.
The Prime Minister's Office tweeted to say PM Narendra Modi has spoken to Kovind's son about the President's health.