Advice to the 20 yr old choosing his career

I graduated recently with a computer science related degree and since my childhood I told my parents that I will be an ias officer and prepare for upsc , iam telling the same till the last 2 day's, my parents got there hopes up alot and they are searching institutes to join me and all stuff for the past 3 years but yesterday I told them that I want to pursue masters and go into tech field . They are extremely upset and there's no communication for the past 2 days and everyone around including other family members trying to convince me to go for ias coaching . What to do ?