Dr. S. Venugopalan, professor, Sri Jayendra Saraswathy Ayurveda College, Nazarathpet will talk on ‘Some interesting usages found in ayurvedic texts’ on Aug 25. Organised by The Kuppuswami Sastri Research Institute under the Dr. P. S. Subrahmanya Sastri Centenary Endowment. At 84, Thiru Vi Ka Road, Mylapore, 6 p.m.