I'm Akhil's father and post this on behalf of him.
Sometime back, my son raised that answer of one of MCQ was showing incorrect result (approx 17.02.2015) and that also had been agreed by Meritnation Expert. Your expert mentioned in that thread reply like that it has been corrected at your end but when my son was giving the retest of same Chapter 9, Class Vi, Social Study yesterday (24.02.2015). It was picking the same incorrect answer which is something upset to me like is it really a time consuming task to update the correct answer on site where hunderd of students are referring.

Question was
A coastal settlement existed between 1900 and 2200 years ago in the city of. As per site correct answer is Bahapur whereas it is Arikamedu.

It would be really appreciate, we should cross check answers provided by Meritnation as it make a confidence on site and student didn't get confuse at-least because in exam dates if such kind of things happen again and again even highlighted, it is something Meritnation site need to look into this.