India’s former prime minister Dr Manmohan Singh died on Thursday aged 92 after he was admitted to hospital for an illness, reports Hindustan Times. Singh was admitted to the emergency ward of Delhi's All India Institute of Medical Sciences (AIIMS) at around 8:00 pm. The veteran Congress leader retired from the Rajya Sabha in April after 33-year-long stint in the Upper House. Dr Manmohan Singh served as prime minister of India from 2004 to 2014.