How did India down the first Pakistani jet during Operation Sindoor?

Group Captain Animesh Patni, serving IAF officer, revealed that India downed its first Pakistani jet during Operation Sindoor after an S-400 missile was launched on May 7. "Sir...confirm fire," Patni’s deputy asked before launch, to which he replied, "Affirm." He said missile destroyed Pakistani JF-17 fighter over 200 km away, adding launch was so loud some thought bomb had exploded.