Rohit's father, Vijay Singh, was produced before a link magistrate who remanded him to judicial custody till November 4 after the police did not seek his custodial interrogation.
Vijay was arrested after he surrendered at Nangloi Police Station in West Delhi. He was a sub-inspector in Delhi Police and had been dismissed from service, police said.
During the day, Rohit, who is in the navy, was arrested by a team of Delhi Police in Mumbai this afternoon. The kabaddi player would be produced to Delhi after being produced before a Mumbai court.
A case was registered against Rohit and his father and two Delhi Police teams were formed to arrest Rohit and his father, who had also gone into hiding after Lalita committed suicide.