Surbhi as Anika Bose nair and Anika seshadri. 

Shivaay Nair and Shivaay Singh Oberoi.

Avinash Bose Nair.  Son of Shivaay Nair and Anika bose. Lived with his mom after the divorce of his parents. Even though he spent only a few years of his life with his mom, He still loves her to the core. Neither loves his dad nor hate him, but respect him to an extent.  Never believes in Love as it snatched his mom away from him. But His life going to change completely after getting his mom's diary. 

Arushi Nair, An independent woman, never believes in love but eventually had to fall for it when she found a caring and loving man, Rithwik in her life. But she was not ready to believe anyone or trust anyone due to her past. Neither loved her mom nor hated her, but her dad was her world till he died. After twenty long years also, she couldn't digest the fact that Her father is no more. And she still didn't say yes to his Rithwik Proposal for marriage. But she completely devoted her life for his brother's welfare like a caring mother.