it was shown she was having a secret affair with umang. on one knows!!
umang demanded frm kinjal tht since ahem broke her sis's heart hence kinjal should not let this wedding happen wid gopi. and if she succeed only then he will let their relationship to continue other he will also leave her jus like her brother left his sister!! kinjal tried many times tht ahem does not marry gopi but due to koki's strong presence and ahem following his mother she hasnt been sucessful hence she now blames gopi and hates her.