MRF Tyres — Customer service and refund or exchange

Address: Magadi town Hospete circle 562120

Hii sir/madam
My self RAKSHITH.R
I loved to use MRF❤️ Tyres from many years But few days back I purchased a tyre in my locality and i found a manufacturing Defect in that tier and i told abt my problems with Dealer and asked for refund or exchange but there is lack of CX service and felt Bad abt MRF
pls give me a solution again to belive in MRF TYRES