The SIT led by IG Arun Bothra raided the house of Babuli Nayak, prime accused in the Pari murder case. Arun Bothra also questioned Babuli and his son.
The team also took details of the vehicles own by the accused and questioned one of his drivers Bijay Behera.
The State Government had ordered SIT probe into the incident after public outcry.
The parents of the five-year old minor had attempted self-immolation bid in front of the Odisha Assembly, while it was ongoing.