Mr Rupani used the hashtag #SpeakUpMMS and began with a "warm welcome to Dr Manmohan Singh," then tweeting what he said were questions the people of Gujarat are keen to ask the former Prime Minister. About 15 of them, ranging from the demand for an apology "as PM of the most corrupt government in India's history," to "Why do Dr. Manmohan Singh, Smt. Sonia Gandhi and UPA have an anti-Gujarat mindset?"
The chief minister also asked how as an economist Dr Singh has not supported new national sales tax GST, "which benefits every Indian."
Dr Singh said the "twin blow" of last year's demonetisation and the Goods and Services Tax (GST) implemented this July "is a complete disaster for our economy, it has broken the back of our small businesses."
The former Prime Minister said, "A well-designed GST would have been revolutionary... But the loopholes and an ill-designed GST have caused hardships." He said he was reiterating that the notes ban "was organised loot and legalised plunder."

Dr Manmohan Singh's Gujarat visit added heft to Rahul Gandhi's attack on the Centre's policies (PTI)
The Congress fielded Dr Manmohan Singh in Gujarat, which elects a new government next month, on the eve of the first anniversary of demonetisation, when Prime Minister Narendra Modi suddenly banned high-value notes in a bid to combat corruption and black money. The Congress and other opposition parties have said they will mark November 8 as "black day." Congress vice president Rahul Gandhi will be in Gujarat tomorrow and will participate in protests in Surat.
The BJP, which has ruled Gujarat for the last 22 years, has staunchly defended the economic policies of the central government it leads, with PM Modi and senior ministers and leaders asserting that both demonetisation and GST will fetch long-term games, accusing those who oppose them of weakening the cause of fighting corruption. They are observing the day as "anti-black money day," to celebrate the war on corruption.
Congress leaders come to Gujarat & remember Sardar Patel during polls. People of Gujarat will never believe their empty words. #SpeakUpMMS
- Vijay Rupani (@vijayrupanibjp) November 7, 2017
Did UPA undertake even a single measure to bring back a paisa of Black Money back to India? #SpeakUpMMS
- Vijay Rupani (@vijayrupanibjp) November 7, 2017