I applied through a staffing agency. The process took 1 day. I interviewed at Neustar (Bengaluru) in Nov 2019
Interview
First day they conducted, aptitude and coding written test and they said they will call whom ever selected for next phase. I did well no calls received and lot of my friends too
Interview questions [1]
Question 1
In coding they asked to remove duplicates from a string eg WelComeToNeustar -> WelComTNusar