Authorities in India have declared a seven-day mourning period to honor Manmohan Singh as politicians and public paid tributes to the country’s former prime minister widely regarded as the architect of India’s economic reform program.

Manmohan Singh, India's 13th Prime Minister and a pivotal figure in the country's economic transformation, died in a New Delhi hospital on Dec. 26 of age-related medical conditions. He was 92. Singh served as Prime Minister from 2004 to 2014,

Manmohan Singh opened India to the world as finance minister in the 1990s and helmed the US nuclear deal and a series of key legislation as the two-term prime minister from 2004-2014