1 Shri M.Madan Mohan Memorial Lecture. 2 Prof. K.K. Nair Memorial Lecture. 3 Dr. T. H. Chowdary Endowment Lecture. 4 Prof. S. Narayana Endowment Lecture. 5 Dr. C. V. S. Rao Memorial Lecture. 6 Shri U. V. Warlu Memorial Lecture. 7 Prof. Alladi Prabhakar Memorial Lecture. 8 Prof.Ganti Subrahmanyam Memorial Lecture