Mevani and others can appeal the order before the sessions court.
Another senior SC leader of the Congress told this newspaper that Mevani was likely to be propped up as the party’s Dalit face nationally.
The new working presidents include Jignesh Mevani, who represents the Scheduled Castes, and Chotila MLA Rutvik Makwana and MLA Ambarish Der, both representing the OBC community.
Of the 37 observers, 23 are from Rajasthan, including 13 ministers and 10 MLAs, as per the party’s notification on Wednesday.
A sessions court in Mehsana town in Gujarat has granted bail to Jignesh Mevani and nine others in a five-year-old case of holding an 'azadi kooch' without permission.
Mevani, who was here campaigning for Congress candidate contesting the bypoll in Thrikkakara Assembly constituency, however, said he was not in the race for the top post.
Mevani campaigned for Uma Thomas at Thrikkakara constituency in Kerala and attended a public meeting seeking votes for the Congress candidate.
It made him a star campaigner in the elections and gave him a helicopter for campaigning.
Mevani targeted Patel two days after the latter resigned from the Congress and launched a no-holds-barred attack on the functioning of the opposition party in Gujarat.
Gujarat court sentences MLA Jignesh Mevani, 9 others to 3-month jail for taking out 'Azadi' march in 2017
The court also imposed a fine of Rs 1,000 each on all the 10 convicts.
Reaching Ahmedabad after spending nine days in Assam jail, Mevani questioned the intention of the Assam Police.
Jignesh Mevani targeted the Assam government for not saying 'sorry' over a lower court's critical observation regarding an FIR filed against him in the north-eastern state.
Gujarat legislator Jignesh Mevani enacted a gesture from Telugu movie 'Pushpa - The Rise' and mouthed its dialogue to challenge PM Narendra Modi.
Jignesh Mevani was arrested by Assam Police first on April 19 from Palanpur town in Gujarat after an FIR was registered against him in Kokrajhar for his tweet on the prime minister.
Mevani also asked what the interest of the BJP or the prime minister could be in arresting him over a mere tweet as if he were a terrorist.
Mevani was granted bail by the Kokrajhar court earlier on Monday in a case related to a tweet on Prime Minister Narendra Modi but was rearrested immediately afterwards.
Gujarat MLA Jignesh Mevani who is out on bail alleged that his arrest was a conspiracy
“The district and sessions court, Barpeta granted bail to him on a PR bond of Rs 1,000 in connection with the second case,” the MLA’s legal counsel Angshuman Bora told The New Indian Express
Meanwhile, Congress, which supports Mevani, held protests across Assam during the visit of Prime Minister Narendra Modi to the state during the day.
Congress leaders on Wednesday announced to stage a sit-in against the arrest of Mevani, who had earlier pledged outside support to the party, in all 34 districts of the state on Thursday.