Mr. Gouranga Maharana Phd Student of Prof. D Paul Joseph, Dept. of Physics received the Best Poster for his paper “Photo-degradation of Organic Dye Mixtures and Ciprofloxacin Antibiotic Utilizing Spray Deposited Li-Nb co-doped SnO2 thin films” presented at the European Materials Science Event 2025: 2nd International Congress on Materials Science and Engineering, (July 9-11, 2025) organized by Materials Europe 2025 in association with Universidad Carlos III de Madrid, Puerta de Toledo Campus, Madrid, Spain.