Vijayan is INSA Albert Einstein Professor, Indian Institute of Science (IISc), Bangalore. He obtained his PhD from IISc and did postdoctoral work at Oxford. Since 1971, he has worked in different capacities at IISc. His honours include: SS Bhatnagar Prize; GN Ramachandran Medal, JL Nehru Centen. vis. fellow, KS Krishnan Memorial Lecture, all of Indian National Science Academy (INSA); Alumni Award Excell. Res., IISc; FICCI Award; Ranbaxy Res. Award; Om Prakash Bhasin Award; JL Nehru Birth Centen. Award, Indian Science Congress Assoc.; Padma Shri; Distinguished Biotechnologist, DBT; DAE Homi Bhabha Professor; Goyal Prize; first CSIR/Science Congress GN Ramachandran Medal; Distinguished Alumni Award, IISc.; Singhania IIM National Leadership Award; Sarvadhikari Medal, Calcutta Univ.; Champion of CSIR and Kerala Science Award. Fellow of 3 science academies of India; President, Asian Crystallographic Asso., 2004-2007; Co-editor, Acta Crystallographica, 1993-2002; President, INSA, 2008-10.