Senior leader of Nepali Congress (NC) Ram Chandra Paudel has gone to New Delhi for treatment on Monday.
He has gone to India after tests at different hospitals in Nepal showed different levels of blood pressure.
Paudel's personal secretary Chiranjibi Ghimire said the senior leader can also have political meetings while in India.
Paudel had met NC President Sher Bahadur Deuba on Sunday.