Two day National Seminar on Mathematical Research in Education and Industries, SIR Syed College, Karimbam, Thaliparamba, Kannur, Kerala, 16-17, January 2020. (Delivered an invited talk on "Graph Theory in Science and Mobile Robotics")
13th Annual ADMA Conference and Graph Theory day-XIII, Chennai, India, June 08-10, 2017 (Delivered an invited talk on Injective Edge Coloring).
Applications of Graph Theory, Invited talk at MES College Mampad.
Coloring Numbers of Graphs, Faculty Development Programme on Applications of Mathematics, held at Rajagiri School of Engineering and Technology, (Invited talk).
Faculty Development Programme on Networks and Their Applications to Engineering, held at National Institute of Technology Calicut- (Delivered invited lecture on the topic “New Coloring Numbers & Related Problems”).
Introduction to Graph Theory, Invited talk at Christ College Iringalakkuda, Kerala, India.
24th Workshop ‘3 in 1’ 2015 Krynica, Poland, On the injective edge coloring, Nov 26-28, 2015 (Contributory talk).