Dr. Rinku Jacob completed his graduation in Physics from Aquinas College, Edacochin and post graduation from St. Albert's College, Ernakulam.  He started his teaching career as Ad hoc Lecturer in the Department of Physics, Aquinas College and then as Ad hoc Lecturer in the Department of Physics, St. Albert's College, Ernakulam.  Then he joined a Major project as a JRF fellow in The Cochin College, Kochi.   He has been working as Assistant Professor in Physics under the Department of Basic Sciences & Humanities of Rajagiri School of Engineering & Technology, Kochi since 11.09.2017.  He obtained his PhD in Physics from Mahatma Gandhi University, Kottayam in 2018.  His research area is in the nonlinear time series analysis of the light curves from black holes, especially multivariate light curves in different band using complex networks and recurrence plots.  He is an approved research guide of A P J Abdul Kalam Technological University, Kerala. He is also a Visiting Associate of Inter - University Centre for Astronomy and Astrophysics (IUCAA), Pune from August 2019 onwards. He has a research project with funding from DST-SERB which started in January 2021.