The former Union minister joined the UPA after holding talks with the Congress leadership.
AIMIM's Bihar state president Akhtarul Iman, the party's lone MLA in the state, has written to RJD president Lalu Prasad, formally requesting inclusion in the grand alliance.
The condition of Kushwaha, the former Union Minister, is all right, although he has been advised rest, hospital sources said.
Kushwaha described the meeting as a courtesy call.
Madhaw Anand, the party's principal national general secretary and chief spokesperson, resigned from the posts as well as the primary membership stating that the party ran the risk of being "finished" on account of the "inconsequential" move.
An electoral survey conducted by CNN IBN/IBN7-Axis in Bihar has given a clear edge to the Rashtriya Janata Dal-Janata Dal-United-led 'Mahagathbandhan', riding home the assembly elections with 137 seats (+/-8 seats) and a 46 per cent vote share.
'The JD-U is my party and of thousands of leaders and workers.' 'It is certainly not Nitish Kumar's party.'
'...there are people in the NDA, who don't wish to see Narendra Modi as the prime minister. They are the ones circulating misleading news,' he claimed.
"We small parties, like the Apna Dal-S, want some respect to be shown to us. We, our leaders and workers feel hurt if due importance is not given to us," Ashish Patel told mediapersons
Bharatiya Janata Party's National Democratic Alliance partners have got five cabinet ministerial berths in the third term of Prime Minister Narendra Modi, as against none in the outgoing government, given the party's dependence on allies for a majority in the Lok Sabha.
'Shatrughan Sinha's name is in the Congress's probable candidates list.'
Other NDA allies, including the Lok Janshakti Party and the Rashtriya Lok Samta Party, will get due representation in the seat sharing formula, Shah said.
BJP MP Subramanian Swamy also said he went to the Rajya Sabha daily and it was not his fault if the the House did not run.
With the election results on a knife's edge earlier in the day, many thought AIMIM could play a key role in the formation of the next government in case there was a hung assembly, having captured a sizeable number of seats in the state's Seemanchal region, which was being seen as a stronghold of the grand opposition alliance.
While the assembly elections are being seen as largely a contest between the NDA and the Grand Alliance, the state has been witness to mushrooming of "morchas" (fronts) which may queer the pitch for the lead players in a tight contest.
"'So ja bete nahi to Gabbar Singh aa jayega'. Mothers, who have seen the jungle raj days in Bihar, please do tell your children, especially youth, on the polling day to cast their votes carefully, otherwise they (the RJD) may return to power... those who ran a regime of terror and fear," he told a press conference.
Uncertainty shadows the composition of the two main political alliances in Bihar with several parties still exploring their choices as the Election Commission on Friday announced the schedule for the assembly polls.
The Union minister asserted that it is the might of the Bharatiya Janata Party and Prime Minister Narendra Modi that has compelled political rivals "those who used to avoid each other to hug each other."
"Today, we stand united in solidarity with our security forces in fighting terrorism and in defending the unity and integrity of India."
'I have to take a stand to strengthen it. I cannot sit silent.'
The RLSP and the HAM, the two other NDA allies, went unrepresented.
Pointing out that the party had contested seven seats in the 2014 Lok Sabha polls, the state LJP chief said there was no reason why it would settle for less than that for the 2019 elections, or for six Lok Sabha seats and one in Rajya Sabha.
The manifesto also vowed to carry out caste-based census in 2020-21.
Despite the show of unity, JD-U spokesmen Neeraj Kumar, however, said the coalition dharma is bigger than showing obstinacy.
'Everyone relies on caste to win elections in Bihar.'
After a meeting in the Parliament Library, the leaders of these parties issued a joint statement, expressing concern over the prevailing security situation in the country.
Upendra Kushwaha, president of the Rashtriya Lok Samta Party, which is part of the National Democratic Alliance government at the Centre, admits the Bihar assembly elections will be a close contest and will be fought along the lines of caste.
'The sapling that I planted has turned into a fully grown tree and is now giving flowers and fruits for us.'
The final phase of polling on Saturday will cover 78 constituencies spread across 19 north Bihar districts.
Reacting to allegations that his party was dividing anti-BJP votes, Owaisi said he was running a political party that has a right to contest on its own.
The LJP will also be given a Rajya Sabha berth and Paswan is likely to be its candidate.
BJP's loss of power in Madhya Pradesh, Rajasthan and Chhattigarh means that it will have to face a resurgent Congress in the three states where it had emerged victorious in 62 of 65 Lok Sabha seats.
The ruling coalition won 125 seats in the 243-member state assembly against 110 clinched by the opposition Grand Alliance to pave the way for a fourth successive term for Kumar in office.
'The Congress agreed to it, but the RJD has some problem with Kanhaiya.'
As the ruling alliance starts feeling the tremors, discussions on new equations have also started, reports Satyavrat Mishra.
The ruling party seems in far better shape than the Congress, which is yet to finalise seat-sharing agreements in several states.
Pandey had hit the headlines recently for his vocal condemnation of the non-cooperation meted out to the Bihar police team that had visited Mumbai to probe the death of Patna-born actor Sushant Singh Rajput.
Most exit polls have forecast gains for Congress in at least four states including a clear majority in Rajasthan.
Left behind after elections will be the Biharis with their stagnant conditions of poor education, poor health infrastructure, poverty, unemployment, division of society and the aftermath of coronavirus. What will remain is the Bihari tenacity, observes Asmita Bihari.
Yadav vowed to dislodge the government headed by Nitish Kumar, whom Congress leader Avinash Pandey in his address accused of "apharan" (hijacking) of the mandate in the previous elections.