As Raman is feeling guilty that his past is hurting Ishita and her family, he will pretend to have a soft corner for Shagun so that Ishita can misunderstand him and eventually leave him.
He will pretend to have a soft corner for Shagun so that Ishita can misunderstand him and eventually leave him. His past is hurting Ishita. His past is hurting her family. Raman is feeling guilty this.