IGS Thiruvananthapuram Chapter organizes an annual Commemorative lecture in fond memory of late Prof T S RamanathaAyyer. The 5th Annual Lecture was organized on November 20th, 2021, in association with the Department of Civil Engineering of LBS Institute of Technology for Women, Thiruvananthapuram. 

The Speaker was Dr Deepankar Choudhury, Prof.T.Kant Chair Professor and Head, Department of Civil Engineering, IIT Bombay. The lecture was inaugurated by Prof Narendra Samadhiya, President, Indian Geotechnical Society. The topic of the lecture was “Foundation Systems for Mega Structures – Recent Advances”