Dr. Sreekumar Haridas joined the Advanced Centre for Atmospheric Radar Research (ACARR), Cochin University of Science and Technology as a University Post-Doctoral Fellow in March 2021.Research Topic: Multi Instrumental Observations of Ionospheric Plasma Irregularities over Indian Equatorial Sector.Before joining the ACARR, he was working as a Research Scholar in School of Pure and Applied Physics (SPAP), Mahatma Gandhi University, Kottayam, Kerala, Feb 2016 -May 2019.Title of Thesis: PLASMA IRREGULARITIES IN THE EQUATORIAL F-REGION IONOSPHERE AND MODELLING OF TEC