I'm seller in Ebay facing problems with eBay seller protection no response

Sir

I don't know how to approach I want eBay office in Mumbai Ian seller in bay facing problems no seller protection the are more then 15 claim I did not receive payment I mail to concern team many times but no response please help it is costly product and eBay team not responding my all mail through in dustbin no reply I contacted seller manager but no response can any body help me in Ebay for seller protection

Mithiullah
Ph8008370786