Gagan Gupta Sir at SLA Institute is an outstanding Excel trainer. His offline teaching methods are highly practical, making complex Excel functions easy to understand. He focuses on real-world applications, especially for HR professionals, helping me improve my skills in payroll, employee management, and data analysis. His step-by-step guidance, real-time case studies, and hands-on exercises made learning engaging and effective. He ensures every student understands concepts thoroughly and can apply them confidently. His patience and expertise create a great learning environment. Thanks to his training, I now use Excel more efficiently in my HR tasks. Highly recommended!