Resonance is celebrating its 20th anniversary in 2021. It was founded in 2001 by RK Verma to address the growing demand for IIT-JEE preparation. Since then, it has expanded to multiple study centers across India and mentored over 75,000 students. Some key milestones include achieving its first top 10 rank in 2009 and growing enrollments to over 15,000 students in classroom programs. Resonance students have also excelled in international olympiads, winning several gold and silver medals over the years.