Party spokesperson Pawan Khera cited an RTI reply from the Prime Minister's Office suggesting that the PM made the remarks based on informal and formal information received from multiple sources.
Union Minister of State Dr. Jitendra Singh on Tuesday said Congress President Rahul Gandhi posed wrong questions during the Gujarat Assembly elections.
Had it not been for NOTA, the Congress in all likelihood would have won with a majority to form the government, say analysts.
Though the Congress campaign for the election focused on Goods and Services Tax (GST) and demonetisation, people were more interested in topics related to development and Hindutva.
The Congress will analyse in detail why it failed to dislodge the Bharatiya Janata Party, which has ruled Gujarat for 22 long years, and the road ahead with 80 newly elected MLAs.
War of words over Gujarat polls: Rahul Gandhi says massive jolt to ruling party while BJP claims he is enjoying defeat
Rahul hit out at PM Modi's Gujarat model of development, calling it "good propaganda and able marketing", but which is "hollow from within."
"It seems Rahul is under the illusion and enjoying defeat as victory. This shows his dynastic arrogance and is an insult to the people's mandate," Senior BJP leader Prakash Javadekar said.
The BJP won Gujarat and Himachal, but the Congress also did not lose, the Sena said, adding "the dream of a 'Congress-Mukt Bharat' (Congress-free India) remained unfulfilled".
The Congress president also hit out at Modi's Gujarat model of development, describing it as "good propaganda" and marketing, but "hollow from within".
The Congress, which had won 61 seats in the previous elections, made handsome gains, adding 16 seats to its tally.
The EC had said it would conduct random vote counts on EVMs and VVPAT slips in one polling station in each of the 182 Assembly constituencies.
Union ministers Nirmala Sitharaman and Narendra Singh Tomar will be party's observers for Himachal Pradesh.
Alpesh Thakor, who had led an agitation against the BJP government over the issues concerning the OBCs under the banner of the Gujarat Kshatriya-Thakor Sena, defeated Lavingji Thakor.
The Congress on Monday said Gujarat Assembly elections results are morale booster for the party.
In case of Gujarat, the NOTA vote share was higher than that of any party other than the Congress and the BJP.