Dear Vijay Kumar thank you for your interesting technical question. As an inorganic chemist I'm absolutely no expert in this field. However, there are some potentially useful YouTube tutorials about Stern-Volmer plots available:
1. Kinetics: Quenching & Stern-Volmer Plots
https://www.youtube.com/watch?v=eLSDPsFm3w0
2. 4.7 Stern-Volmer Analysis
https://www.youtube.com/watch?v=dgNTIHZiSZc
and
3. Easy way to understand Stern-Volmer Equation with graphical representation