Story following Ramayan?

Kaikeyi brought up Ram as her own son, until her mind was poisoned by Manthara. Kaikeyi asks Ram to leave the kingdomso Bharath can get his rights.

Here, Gayathri will start her feeling towards Akash since he is her own son, and she might say she will leave the house if Radha stays there. SP will ask Gayatri for forgiveness and he says he will agree to anything she says. She in order to teach SP a lesson, asks for Radha and Yash to leave. Pratiek being close to Yash, cannot accept Akash 100% in place of Yash and heartbroken decides to follow Yash. Aarti, kids and Pratiek leave SP mansion with Yash. Akash will get Yash's business and his rights as SP's legit second son. SP still loves Yash and is heartbroken and repents all his past mistakes but cannot say anything as he promised Gayathri.

Yash lives in exile and builds his business with Aarti and Pratiek by his side.