An investigation into application of available material to make soft earmolds. Design and development of Two Channel Vibro Tactile Unit. Fabrication of Speech Emphasis Indicator. Computer-aided different diagnosis of laryngeal disorders. Speech-oriented learning systems for the handicapped. Developmental investigation of onset, progress and stages of literacy acquisition. Production of Language Training materials in major Indian Languages. Speech Perception in Children-temporal aspects. Listening station. Speech perception: perception of stop consonants in Kannada.