Jharkhand Assembly Speaker Inder Singh Namdhari has deferred the decision on the disqualification petitions against the three legislators who switched sides and paved the way for a trust vote against Chief Minister Arjun Munda.

The move will enable the three to vote in Thursday's trust vote and has reduced Chief Minister Arjun Munda's chances of proving his majority in the House.

Governor Syed Sibte Razi had directed the trial of strength to be taken up after four ministers -- Madhu Kora, Enos Ekka, Harinarain Rai, all independent legislators and Kamlesh Singh of the Nationalist Congress Party -- quit and withdrew support to the government on September 5, reducing it to a minority.

After the four withdrew, the NDA is left with 39 members in the 82-member House.

The United Progressive Alliance, on the other hand, claims the support of 43 legislators.

Railway Minister and RJD President Lalu Yadav on Wednesday released a list of 43 MLAs in New Delhi.

But the UPA will also need the support of two UGDP MLAs, Joba Manjhi and Bandhu Tirkey, Forward Bloc MLA Aparna Sen, CPI-ML (Liberation) MLA Vinod Kumar Singh and Independent Stephen Marandi.

The UPA has also claimed the support of expelled Forward Bloc MLA Bhanu Pratap Sahi, whom the Speaker has declared as an unattached member, who is free to vote on any side.

The state capital is under tight security ahead of the trust vote.

According to Senior Superintendent of Police R K Mullick adequate security forces have been deployed and barricades have been put up.

The numbers

The United Progressive Alliance

Jharkhand Mukti Morcha: 17

Congress: 9

Rashtriya Janata Party: 7

The National Democratic Alliance

Bharatiya Janata Party: 30

Janata Dal-United: 6

All Jharkhand Student Union: 2

Nominated MLA: 1