Additional District and Sessions Judge Bholanath Tiwary held Awadhesh Kumar guilty of attempting to kill his father and sentenced him to rigorous imprisonment for 10 years.
The court also imposed a fine of Rs 5,000 on Kumar.
Additional Public Prosecutor Shabd Kumar said the convict attacked his father Ramudgar Singh with a sword on January 18, 2015, at their residence in Veer Kunwar Singh Colony in Hajipur in connection with a property dispute.
An FIR was filed with the town police station against the son based on his father's statement.