Teji is smart. I thought she took offense about changing the AV presentation despite her approval, which isn't wrong as an authoritative figure also. But, now I see that she didn't like that she changed the AV for Viaan's sake. And Viaan supporting her and rebuking at her for the first time seems to have heightened her insecurities as a mother and her prominence in her son's life.
But when the same concern of Katha's, is going to help her son get free from this difficult allegation scenario, she is very much happy to rope her in the deciding panel.
Wow. Smart move, I must say. She just wants her son's case go to the best hands possible. Especially with the concern Katha showed is any sign, Viaan would obviously be saved from the allegation, according to Teji. Let's see how this goes...