A Magistrate Court had in 2008 directed the sons to pay Rs 400 each as maintenance to their father, against which they appealed to a session's court, which upheld the order.
The two sons, both ex-servicemen, then filed an appeal in the High Court against the orders of the lower court.
Justice S Vaidyanathan in a recent order directed them to pay the amount along with all pending arrears within a month to their 86-year-old father.
The aged couple were living with their eldest son's family.
Also Read
The senior citizen couplehad a total of 2.4 acres of land and they gave two acres to their sons and retained 40 cents for own use.
During the pendency of proceedings, Lakshmi died.
The sons argued that their father had his own source of income from the land he possessed.
The Judge, while rejecting the argument, said the maintenance awarded itself was meagre and they should to pay the amount.
The Act which received the assent of the President on December 29, 2007 provides for the maintenance and welfare of parents and senior citizens, he said.