The Dalai Lama has been taken to hospital in Mumbai, formerly known as Bombay, complaining of stomach pains.
The 73-year-old exiled Tibetan spiritual leader had cancelled all his international trips on Wednesday saying he was suffering from exhaustion.
A spokesman said the ailment had not been diagnosed but it appeared there was no cause for concern.
The Dalai Lama has lived in Dharamsala, in northern India, since fleeing Tibet after an abortive uprising in 1959.
A spokesperson for the hospital said the Dalai Lama had had his six-monthly check-up about a month ago and was "in perfect health".
The Dalai Lama has just returned from an 11-day trip to France, one of a number of foreign trips he has made this year to highlight the Tibetan issue.
China has stepped up its verbal attacks on the Nobel peace prize winner since violence broke out against Chinese rule in Tibet in March.
Beijing has accused the Dalai Lama of stirring up unrest, a charge he denies.