Possible Clues:

• A gold one at the Olympics is actually at least 92.5% silver
• Award most excellent Indian food
• My father starts the decoration (5)
• Sports award
• Duke during banquet points to gong
• Gong finally sounded in middle of dinner?
• Gong may bring first of diners into dinner, perhaps
• Curling prize, e.g.
• Decoration can make 12 across sound
• Lamed for a gong