<ul><li>Conducted experimental study on eco-friendly concrete using eggshell powder.</li><li><span style="background-color: initial;">Performed mix design, specimen casting, curing, and strength testing.</span></li><li>Carried out slump test, compressive strength test, rebound hammer test, and UPV test.</li><li>Analyzed results and identified optimal replacement percentage for improved concrete performance.</li></ul>