Gandhi also asked who should be held accountable for the money becoming "ash".
The Congress vice president has reportedly been saying that the Gujarat government had proffered "benefits" worth Rs 33,000 crore to the car project in Sanand.
"PM's pet 'Make in India' project just died. 33,000 crores of Gujarati taxpayer money turned to ash. Who is accountable?" Gandhi said on Twitter.
The Congress vice president is currently campaigning in the poll-bound state, which has been under the BJP's rule for 22 years.
The media report claimed that the average daily production of Nano cars at the Tata Motor's Sanand plant was down to "just two".