Yes, it hasn't been posted anywhere. Also you didn't specify as to which subject specifically in M.Tech and since it is a descriptive part, there aren't many chances of it being posted anywhere.
For part A solutions u can refer
https://www.google.co.in/amp/s/admission.aglasem.com/isi-answer-keys/amp/
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile