Dulaara

Raja is the adopted son of Florence, raised after the death of James. He navigates college life with his friends but carries guilt after inadvertently stabbing Verma, a crime that drives the investigation. As the killer's identity emerges, Raja must prove his innocence and protect his mother, while confronting fears of becoming like his father.

Priya is the sister of Inspector Vijay Chauhan and joins Raja's college circle, where she initially clashes with him before falling for him. Her affable, impulsive nature pulls her into the emotional core of the mystery, complicating her brother's professional duty. Her relationship with Raja becomes a pivot point as the truth about the murders unfolds.

Vijay Chauhan is a principled police inspector balancing duty and family loyalty. He leads the fingerprinting stakeouts and confronts the personal risk of his own son being the eyewitness to the Verma murder. Ultimately he recognizes Raja's innocence and halts the pursuit, while continuing to pursue the real killer.

Deepak is involved in the blue-film network and emerges as the killer behind the series of murders. He ruthlessly eliminates witnesses and uses Monica's network to mask his crimes, including Verma's murder. He is confronted on the hospital roof and arrested, ending Raja's chase for justice.

Professor Verma becomes a victim of the killer during the escalating mystery at the college. His confrontation with an assailant and subsequent murder trigger the police investigation and reveal the killer's reach beyond campus. The murder hints at the larger secret tying the blue-film scheme to the crimes.