Mithijhora

Raipurna, Nilanjana and Srotoswini are three sisters. They love each other from deep of their heart. They have an elder brother Vikram who is physically impaired. So, their only job holder is their father, Kingshuk. Raipurna loves Sourya. So, they would get married. But on the day of their marriage Kingshuk dies. In these circumstances, to take the responsibility of her family, she gets Nilanjana and Sourya married without their knowledge. As a result, everyone misunderstands Raipurna.

Nilanjana or Nilu and Sourya go through many obstacles and insults and humiliation from her In-laws due to the fact that Raipurna or Rai was supposed to wed Sourya. But eventually everything becomes normal again and Nilu is pregnant with Surjyo's child. On the other hand, Srotaswini or Srot gets loggerheads with her professor at her Medical University, SS or Sarthak Sir.

As Rai is now the only Earning Member in her family, She takes on a job as a Secretary of a company.But due to many reasons and circumstances,She had to make food and go to her Boss's house to make her boss, Mr. Anirban Sen food to keep her job despite not being fully qualified. Rai's family and Rai had many arguments regarding Rai going to her boss' house to make food for him to keep her job. Rai then gets framed in a Lawsuit for supposedly "stealing" 23 lac from Anirban's Office. But soon Police figure out that Rai was being framed by Anirban's Friend. Soon the Police arrest him and Anirban fires him but he threatens that he will one day come back and destroy Anirban's life.

Anirban apologises to Rai in front of the entire office to Rai. Rai relentlessly forgives him and leaves. Anirban remembers that Rai left an envelope on his office table and instructed him to not open it till she leaves. After Rai leaves after Anirban gave her paid leave. Anirban opens the Envelope and learns that Rai didn't leave for a day but forever as she sent a Resignation Letter in that said envelope. Anirban goes to Rai's house to try and convince her to withdraw her Resignation Letter. But he is met with her mother and Paralysed Brother Vikram who behave badly with him for making Rai make food for him and for coming to her house.nilu Or nilanjanona's fake pregnancy plan gets revealed and she is sent away to her maternal house. In parallel Srotoswini and her professor

• Aratrika Maity as Raipurna Sen (née Mukherjee) aka Rai (aka Anamika): A caring, responsible daughter of a middle class family; Nilu and Srot's elder sister; Anirban's wife; Billi's Mother.
• Suman Dey as Anirban Sen aka Ani aka Kutti: Rai's boss and love interest turned husband.
• Debadrita Basu as Nilanjana Bhushan formerly Nilanjana Roy (née Mukherjee) aka Nilu (Positive to Antagonist to Positive): Rai and Vikram's younger sister and Srot's elder sister, Shourya's ex-wife, Kranti's wife.
• Mainak Banerjee as Kranti Bhushan: A vigilant dacoit like Robinhood; Nilu's second husband.
• Saptarshi Roy as Shourya Roy (Former Male Lead turned Supporting Character): Rai's ex-lover and Nilu's ex-husband.
• Mainak Dhol as Dr. Sarthak Sengupta aka SS: An angry young man, Srot's college lecturer and later husband.
• Swapnila Chakraborty as Srotoswini Sengupta (née Mukherjee) aka Srot: Rai, Nilu and Vikram's younger sister

• Poushmita Goswami as Nandita Mukherjee: Kingshuk's widow; Rai, Nilu, Srot and Vikram's mother.
• Debasish Roy Chowdhury as Late Kingshuk Mukherjee: Rai, Nilu, Srot and Vikram's father
• Jayati Chakraborty as Antara Mukherjee: Kingshuk's sister; Nandita's sister-in-law; Rai, Nilu, Srot and Vikram's paternal aunt
• Aniruddha Gupta / Sutirtha Saha as Vikram Mukherjee: A physically disabled person (later recovers through surgery); Rai, Nilu and Srot's elder brother
• Puja Banik as Mishti Mukherjee: Vikram's wife; Rai, Nilu and Srot's elder sister-in-law
• Tramila Bhattacharya as Suchismita Roy: Tiklu, Sourya and Tiya's mother
• Saptarshi Ray as Avinash Roy: Tiklu, Shourya and Tiya's father
• Sanmitra Bhaumik as Tiklu Roy: Shourya's elder brother
• Riya Ganguly as Madhura Roy aka Dora: Tiklu's wife. She always bullies and belittles Nilu. Dora had framed Nilu for deliberately making her father-in-law sick by giving him the wrong medicine. But this truth has not been proven to anyone: neither Shourya's family nor Rai's family. Nor did Dora get any punishment or lesson from her act.
• Barninee Chakrabarty as Tiya Roy: Tiklu and Shourya's youngest sister
• Kunal Banerjee as Shourya's friend
• Aritra Goswami as Rahul: Shourya's friend
• Arnab Chowdhury as Raj: Nilu's ex-lover
• Esha Bhattacharjee as Dora's mother
• Krishnakishore Mukherjee / Biplab Dasgupta as Dr. Ujjwal Pranotosh Sengupta: A respected veteran doctor, Sarthak's father and Ayesha's maternal uncle. He is like a father figure to Srot and later becomes her father-in-law through Srot and Sarthak's marriage. Krishnakishore later came back.
• Rajiv Bose as Sudipto Chatterjee (Antagonist): Anirban's friend and business partner
• Shweta Chaudhuri as Shormi Bose: Anirban's cousin sister; Rai's sister-in-law and friend.
• Sourav Das as Mandar Bose: Anirban's cousin brother-in-law; Shormi's husband.
• Shyamashis Pahari as Ayesha's father
• Poonam Basak as Ayesha: Sarthak's paternal cousin sister and Srot's friend.
• Rajashree Bhowmik as Sohini Sen: Anirban's mother; she is snooty, egoistic, arrogant and is too prideful of being rich and high class. She loathes Rai and her family. She is unable to accept Rai as Anirban's wife and their daughter-in-law and constantly harasses her mentally and emotionally.
• Sanjay Basu as Prosenjit Sen: Anirban's father; initially he dislikes Rai just like Sohini, but later develops empathy towards her.
• Anamika Chakraborty as Koyel (Antagonist): Anirban's ex-wife; Rai's rival (arrested).
• Chhandak Choudhury as Anjan: Rai's rescuer.
• Sukanya Basu as Isha: Anjan's wife; Rai's rescuer and friend.
• Gautam Shiddartha as Ranjan: Anjan's brother
• Madhumita Roy as Geeta: Ranjan's wife; Rai's friend.
• Soumi Paul as Mondira: Kranti's assistant.
• Debaparna Chakraborty Paul Chowdhury as Simran: Anirban's childhood friend and Rai's confidante; Initially Rai misunderstands her to be Anirban's secret girlfriend, behaves subtly rudely with her but later Rai understands her mistake and apologises to her and becomes her friend and shares her feelings with her.
• Ayendri Lavnia Roy as Dr. Oindrila Chakraborty: A psychologist, she recovers Rai.
• Mouli Bose Sarkar as Dr. Atreyee, Srot's friend.
• Swarnali Pandey
• Oeindrila Sengupta
• Tamal Bag
• Shuvam Banerjee
• Shivam Bakshi