"First, our son was wrongly implicated and now they killed his father.
We have been pleading for a fair trial but are turning into victims of revenge," said Ramniwas's wife.
The crime had stunned the entire state and a special investigation team was formed.
The autopsy report of the victim is awaited," said Kuldeep Singh, SP, Nuh.
Police were warned of renewed protests if arrests were not made in three days.