With all her evil plans one after the other failing without her getting caught...and the members of the Schindhya parivar leaving their minds on a vacation tour...it will be difficult to trap Ishita...allowing her to enjoy the status of 'bechari' till she really hits below the belt and that plan will be 'Ayu'. Unless she doesn't hit the weakest point of ARYA...she will keep escaping and they will believe her word but when it comes to Ayu...they both won't settle for any argument till they find the root cause. So Guys...this is where Ishita will get caught finally.
Till such time...it will be chasing and escaping...what say guys?
After a thought my reasons -
If one by one your plan fails and that too by the couple..ARYA...then what you do...attack the couple...find their weakness...target...cripple them with their weakness - never to rise ...for Ishita to continue her evil plans successfully as the attacker is no more on the scene...