The court had acquitted six accused including former Bihar Chief Minister and JD (U) leader Jagannath Mishra.
Lalu Prasad was sentenced to three-and-a-half years imprisonment on offences of cheating, along with criminal conspiracy under the the Indian Penal Code (IPC).
Lalu's younger son Tejashwi said they would move the High Court against it.
In fact, Lalu's other son, Tej Pratap Yadav is confident that his father will definitely get a bail. They were pronounced guilty for engaging in fraudulent transactions worth Rs 89 lakh from the Deoghar Treasury between 1991 and 1994.
RJD chief Lalu Prasad Yadav and 15 others were convicted in a fodder scam case.
JDU on Saturday welcomed the fodder scam verdict and hailed it as historic decision in Bihar politics. "Our charges against Lalu has been vindicated by Court", said Sushil Modi, deputy chief minister of Bihar.
The former Bihar Chief Minister and other convicts were produced through video conferencing before special Central Bureau of Investigation (CBI) judge Shivapal Singh. After spending two months in jail, he was granted bail.
Earlier today, the court concluded arguments on the quantum of sentence against five other convicts. The 1997 fodder scam case had virtually brought down his political career. "He was in jail for one year in this case, facing the case for last 20 years and never disobeyed the court", he added.