Not one i have found three questions(i have even given link , hope it helps):-

1.Internal angle of isometric projection which should be 120 degree and not 90 , but according to answer key it showed 90 degree as the option.

link:-https://www3.ul.ie/~rynnet/keanea/isometri.htm

2.Mizoram is the land of bamboo queen and not assam.

link:-https://thenortheasttoday.com/did-you-know-this-northeast-indian-state-is-called-bamboo-queen-of-india/

and,

3.The question which asks us to find which of the following represents best as colannede(which means sequence of columns) and it shows the wrong option.

link:-https://www.google.co.in/search?q=colonnade&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjS3a6lv4rbAhVKeisKHSnZDh4Q_AUICigB&biw=1600&bih=806

Even i dont know about the procedure.I hope we have to mail them but if anyone who come across my answer and finds it to be correct then please mail them as it would bring a change of six marks which would bring a big change (yeah its six marks 2*3=6).