Grand Alliance partner RJD won the maximum 40 seats, followed close behind by JD(U) with 38 and Congress 15.
The NDA bagged only 26 with BJP securing 22, RLSP of Union minister Upendra Kushwaha two, LJP one and HAM(S) of Jitan Ram Manjhi one.
Two seats have been won by Independents and one by CPI-ML(L).
The trends after several rounds of counting showed Lalu Prasad's two sons Tej Pratap Yadav and Tejaswi Yadav ahead of their rivals in Mahua and Raghopur in Vaishali district respectively.
RJD leader Abdul Bari Siddiqui is ahead in Alinagar in Darbhanga.
Lalu Prasad's "Man Friday" Bhola Yadav is marching towards victory in Bahadurpur seat in Darbhanga.
Congress stalwart Sadanand Singh has won Kahalgaon seat.
BJP stalwart Satyadeo Narayan Arya who has won Rajgir (reserved seat) for 8 times in the past, is trailing to newcomer JD(U) candidate Ravi Jyoti Kumar by 3972 votes.
LJP chief Ramvilas Paswan's brother and party state president Pashupati Paras is behind his RJD rival Chandan Kumar at Alauli (reserved SC seat) in Samastipur.
HAM chief and former chief minister Jitan Ram Manjhi is behind his RJD competitor Subedar Das at his sitting seat of Makhdumpur in Jehanabad by 26,677 votes after completion of counting on all 17 rounds. Result is yet to be declared by EC on the seat.
However, he is ahead of JD(U) rival Uday Narayan Choudhary at Imamganj reserved seat in Gaya.
BJP leaders Nand Kishore Yadav and Prem Kumar are ahead in their respective seats of Patna Sahib and Gaya town.
There is some gains for BJP too. The saffron party won Raxual seat where party chief Amit Shah had made "firecrackers in Pakistan" comment. BJP's Ajay Kumar Singh defeated Suresh Kumar of RJD at Raxual.
In Pipra in East Champaran, where JD(U) had to withdraw the candidature of its minister Awdesh Kushwaha after he was caught allegedly accepting bribe, BJP annexed the seat from JD(U).
As victory news spread, JD(U), RJD and Congress party offices burst into celebration.
Chief Minister Nitish Kumar and Lalu Prasad came out together, hugged each other and thanked voters for reposing faith in the Grand Secular Alliance.