Rawkto Rawhoshyo

A hardworking radio jockey in Kolkata with an extremely rare Rh-null blood type, Swarnaja embodies warmth and resilience. Raised by her grandmother in a close-knit household, she forms a protective bond with those around her. She falls for Shammo but ends the relationship upon learning he is married, demonstrating her principled stance and strength.

Shammo is presented as a charming heir to a gemstone business who hides a married life and a manipulative agenda. He uses his relationship with Swarnaja to advance his schemes, masking darker motives with a suave persona. His true identity as Sushil emerges as the plot reveals a broader child-trafficking operation.

Kheya is Shammo's wife who becomes entangled in the surrogate plot after a life-altering accident. She proves complex—wheelchair-bound yet not completely voiceless in the scheme—before secrets about her true identity surface. Her suicide attempt marks a turning point that intensifies Swarnaja's decisions and the ensuing pursuit of truth.

A close, sibling-like figure to Swarnaja and a trusted member of the household, Babai is protective and loyal. He becomes a moral compass and ultimately sacrifices himself while helping Porag, highlighting familial devotion amid danger.

The family physician who becomes entangled in the illicit blood trade, using his medical privilege to facilitate trafficking. His actions illuminate the ethical breaches within medical practice and the vulnerability of patients connected to life-saving resources. His eventual involvement ties Swarnaja’s personal tragedy to a larger criminal network.

The infant at the center of the surrogate arrangement, born with Swarnaja’s rare blood type. Porag becomes the focal point of custody and protection, symbolizing the fragile line between altruism and exploitation. His journey intertwines with Swarnaja’s resolve to secure a safe future for him.

The police investigator who drives the case forward, linking forged documents and trafficking networks to a larger crime. His methodical approach helps unveil the truth behind the aliases and the hidden operation. He plays a crucial role in the pursuit of justice for Swarnaja and Porag.

Swarnaja’s elder mentor who raised her and provides steady support. Her wisdom anchors the family’s decisions and her presence underscores the importance of familial bonds in the face of crisis. She offers quiet strength amid loss and danger.

Swarnaja’s mother figure who, though deceased, is remembered for shaping her daughter's resilience and compassion. Her memory looms over Swarnaja’s choices, especially in the struggle to protect Porag. The mother's legacy informs the emotional core of the story.