After a purported transcript of the actress' "last" telephonic conversation with her boyfriend came out on Friday, the lawyer of her parents said they would seek re-investigation.
The parents of the actress alleged that the police had overlooked several aspects related to her case.
Police have registered a case of abatement of suicide against Rahul Raj Singh, her boyfriend, who has secured pre-arrest bail.
Transcription of Pratyusha's purported conversation with him before the suicide was reported by section of a media.
Pratyusha, who shot to fame with her role of 'Anandi' in the TV serial 'Balika Vadhu', was found dead at her house on April 1 in what appeared to be a suicide.
Advocate Neeraj Gupta, representing her parents, said that police seemed to have overlooked many aspects and they wanted the case to be re-investigated.
"Police didn't investigate the case properly. They ignored many important aspects. As of now we don't have entire charge sheet. Once we get it, we will study the documents and file a fresh application on Monday," Gupta said.
When asked about specific aspects which the police has missed its probe, he said "Name of a third person has come up in the telephonic conversation where Pratyusha is saying he was giving her life threats. Who is this person and why is he giving threats to Pratyusha, why police ignored this fact?"
The police also didn't look properly into Pratyusha's blood and viscera reports, he said.