Greetings to our former Prime Minister, Dr. Manmohan Singh Ji on his birthday. I pray for Dr. Singh’s long life and good health.
— Narendra Modi (@narendramodi)
September 26, 2018
Meanwhile, Congress president Rahul Gandhi also extended his greetings to the former prime minister, saying the Singh's birthday is an opportunity to appreciate and remember his contribution towards the cause of nation-building.
Manmohan Singh Ji’s birthday is an opportunity for us to appreciate and remember his many years of selfless service and dedication to the cause of nation building. I wish him a very Happy Birthday and good health and happiness always.
— Rahul Gandhi (@RahulGandhi)
September 26, 2018
Dr Manmohan Singh served as the former prime minister between 2004 and 2014 during the United Progressive Alliance (UPA) government. Singh, who was the first Sikh in office, was also the first prime minister since Jawaharlal Nehru to be re-elected after completing a full five-year term.
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Singh's political career began in 1991 when he was appointed as the country's Finance Minister under the leadership of late prime minister PV Narasimha Rao. It was the same year during which he helped usher in "liberalisation and privatisation" to the Indian economy.
Delhi's Chief Minister Arvind Kejriwal also wished the former Prime Minister and spoke about Singh's integrity, sobriety and humble nature. He wrote on Twitter:
I wish a very happy 86th birthday to Dr Manmohan Singh, our former Prime Minister. A man of integrity, sobriety and humble nature. I pray for his long & healthy life
— Arvind Kejriwal (@ArvindKejriwal)
September 26, 2018 
 "Former prime minister Manmohan Singh. Photo: PTI")