What is the most popular test series for the UPSC 2020? Tagged: ias exams This topic has 1 reply, 2 voices, and was last updated 5 years, 2 months ago by ambergupta. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts December 5, 2019 at 6:55 pm #2140 shamaaroraParticipant test series for the UPSC 2020? December 10, 2019 at 6:14 pm #2146 amberguptaParticipant Rau’s Prelims & Mains Test Series 2020 are very good and helpful for your ias exam preparations. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In