Medicare Tpa Services — wrongly rejected cashless claim and no proper response

Website:

www.medicareinsurancetpa.com, royalsundaram.in

I try to avail cashless facility in network hospital. Medicare rejected due to below invalid reason, though i crossed my 2 years waiting period
Cashless can not be accorded, patient is requested to come for reimbursement for further consideration. Pfa for details. I tried to call my insurance (Royalsundaram), they asked to contact tpa help desk.