Royal Enfield - Silencer complaint

Dear sir, I have purchased a bullet storm rider *** on dated **.**.**** along with * years extended warranty. But now my silencer has been damage and after damage part is missing then I approach near service centre in Modipuram Meerut on dated **.**.****. They have ensured that it will be covered under warranty after prior approval from company take *-* days. But service center has not given any response. Today confirm over telephone he told me that claim has been rejected due to missing part of silencer. Kindly look into the matter and resolve the accordingly.