Current research interests include surface engineering of bio implantable substrates for artificial organs with hard coatings, oxide reinforced ceramics and metallic glasses using physical vapor deposition processes like sputtering and pulsed laser deposition. He is also involved in the preparation and characterization of semiconducting thin films for dye sensitized solar cells.
His main focus is on developing newer biomaterials using techniques which make highly biocompatible coatings for medical devices, in particular vascular devices, dental and orthopedic implants. His work on surface modification includes surface engineering of bioimplantable substrates such as 316L stainless steel, Titanium Ti-6Al-4V and actual implants like screws, stents, artificial blood vessels with biomaterials like transition metal nitride hard coatings Titanium Nitride (TiN) as single layer and nanocomposites like TiCN, TiSiN and multilayers of TiN/TiAlN,TiN/VN, TiN/NbN. In addition, he is currently working on thin film metallic glasses of Zr-,Ti-, and Mg-based (biodegradable), Diamond like carbon and bioceramics Hydroxyapatite, Al2O3 etc. His group also conducting analysis of antimicrobial active metal oxide impregnated textiles for nosocomial applications.
For in-vivo studies (including cytotoxicity, haemocompatibility and histopathology) on the components fabricated in his laboratory, he works in union with Sri Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram.