The gazette notification to this effect was issued by Union Home Secretary Ajay Kumar Bhalla at 5.47 am
At the event, Singh paid tributes to former servicemen and their families in Lucknow, and said the country is proud of them.
He added that the "khichdi" (hotchpotch) being cooked (by the Shiv Sena, NCP and Congress) was against the people's mandate.
He also dismissed charges that there was delay on part of the Congress to form government in the state with the Shiv Sena and NCP.
In a series of tweets, Congress spokesperson Randeep Surjewala hit out at the BJP, accusing it of taking a "contract to kill" democracy in India.
Pawar was addressing a joint press conference with Shiv Sena chief Uddhav Thackeray in Mumbai
"This is called betrayal of people's mandate and giving contract for killing democracy," Congress's chief spokesperson Randeep Surjewala said in a tweet
We place on record that we do not support or endorse this decision of his," the veteran leader said in a tweet
The month-long political impasse ended dramatically in Maharashtra on Saturday with the BJP's Fadnavis returning as the chief minister, backed by NCP
Talking to reporters, Raut also said the state will never forgive Ajit Pawar for this act of his
The month-long political impasse ended dramatically with Devendra Fadnavis returning as the chief minister again, backed by the Sharad Pawar-led NCP
Shah tweeted his congratulation to Fadnavis and NCP leader Ajit Pawar, who was sworn in as the deputy chief minister, after the oath-taking ceremony
He said instead of taking so much interest in covering who is forming the next government in Maharashtra, the media should focus on farmers' issues
The plea alleged that the change in the stand of Shiv Sena, which had fought the Assembly polls along with BJP, was "nothing but betrayal of people trust reposed in the NDA".
Pawar and Thackeray were also part of the three-party deliberations at Nehru Centre
Pawar's announcement capped a day of hectic meetings between the Congress, NCP and their pre-poll allies and a combined meeting of the three parties later in the day
Maharashtra government formation LIVE updates: Shiv Sena, NCP, Congress alliance - likely to be christened 'Maha Vikas Aghadi' -may be formally announced today
NCP, Congress and Shiv Sena are holding hectic deliberations and talks and are inching closer towards government formation in Maharashtra
Sena MLA Bhaskar Jadhav told PTI that the meeting was convened to apprise the legislators of the government formation process and meetings of Congress-NCP leaders in Delhi
The NCP's chief spokesperson Nawab Malik also reiterated that the throne of Delhi could not make Maharashtra bow before it