Formal Educational Lecture Slide Deck

I need a complete slide deck—around 40 to 50 slides—that I will use as the backbone of an educational lecture. The tone must stay professional and formal throughout, yet visually engaging enough to hold an audience for an extended session... (Budget: ₹600 - ₹1500 INR, Jobs: Animation, Data Visualization, Education & Tutoring, Graphic Design, Infographics, Powerpoint, Proofreading, Typography)