Arjun Bijlani as Raghav Mehra: Swaraj's son Sanjana's ex-lover Naina's first husband Ishaan's father (2016–2017) (Dead).Drashti Dhami as Naina Batra Khurana / Naina Batra Mehra: Asha's daughter Rajeev's sister Raghav's widow Rehaan's wife Ishaan and Neil's mother Ahaan's surrogate mother (2016–2017).She tells them that Raghav is her life as he told her the meaning of love and she will be united with him in heaven. Naina works as a tuition teacher and points towards Raghav's photo when her students question about her love story. Naina, Rehaan, Ishaan, Ahaan, Rohan and Indumati live happily. Naina gives birth to Rehaan's son named Neil. Harjeet is arrested and tries to shoot Naina but Rehaan sacrifices himself indeed but got saved by Indu, Naina and Ishaan. She tells Indumati that her marriage with Rehaan is real. Naina marries Rehaan to look after Ahaan, and acts to be possessed by Ahana's ghost.
Raghav presumably dies thinking Naina cheated on him and Rehaan is Ahaan's father. Rehaan attacks Raghav thinking he had kidnapped the baby. Naina and Raghav grow closer as they confess their love but part ways amid misunderstandings. Naina gives premature birth to a baby boy Ahaan. Rehaan learns that Ahana hired a surrogate so he began searching her and also told about this to Harjeet who now wants to kill Ahana's baby. Indumati wakes up from coma and mistakens Ahana's baby to be of Raghav and Naina. Ahana meets with a car accident planned by Rehaan's stepmother Harjeet, and dies after telling Naina that the baby is in danger. Veer marries Sanjana who gives birth to a daughter Veera. Without justification, Raghav divorces Naina. Raghav misunderstands that Naina has an affair and carries someone else's baby. Naina meets his wife Ahana and agrees to become a surrogate mother. Naina helps Raghav start a business in Austria. On the wedding day, he leaves after which Raghav sacrifices his love and marries Naina who feels betrayed but soon trusts him. Raghav's grandmother Indumati fixes Naina's marriage with his cousin Veer.
Naina Batra, a woman close to her family breaks up with her fiancé Amit due to her heart patient mother Asha's illness and leaves to Austria for the operation. He loves the rich and spoilt Sanjana who ignores him. Set in Austria, Raghav Mehra works in his rich Indian family.