A special black lady

If you look at the picture carefully the filmfare award that Mr.A R Rahman got for the best Music Director is diamond studded at the bottom.It was made so because of a particular occasion.Tell me for what















Answer-The special 2500th Filmfare award
Cracked bySanjay,Akash S,Anant M Nambiar,Anurag,Appuchin,Adithchnadra