WASHINGTON - US President Barack Obama has wished Prime Minister Manmohan Singh, who underwent a successful heart surgery, ‘a quick recovery’.

Obama, in his message to mark India’s Republic Day, said: ‘I wish Prime Minister (Manmohan) Singh a quick recovery.’

The prime minister underwent five bypass surgeries Saturday at the All India Institute of Medical Sciences (AIIMS) in New Delhi.

Manmohan Singh had undergone a bypass surgery earlier in 1990 and an angioplasty in 2004.