Krishnakumar, Chancellor of Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, and the managing director of the Arya Vaidya Pharmacy Limited, died of COVID-19 in Coimbatore late on Wednesday. A recipient of Padma Shri, who played a major role in the preparation of the Ayush protocol, Krishnakumar was undergoing treatment for COVID-19 in a private hospital in …