A National level online BRAIN TEASER-2k20 was conducted by the Department of Mathematics on 14^th to 16^th May, 2020. A google form containing 30 Aptitude and Logical reasoning questions were asked, out of which certificates were awarded to the participants who secured 60% and above.  The National level online BRAIN TEASER-2k20 Quiz competition was a major success as there were more than 1000 participated from all over the country and 690 participants were awarded with e-certificates. The detailed summary of the participation is given below. Total no. of candidates registered and participated: 1080, Total no. of candidates passed: 697 (65%). The Brain Teaser was appreciated by all who participated and it was indeed successful.