MRF Tyres — Bulging of new Tyre

Address:

A42 PANACHE VALLEY , SAHASTRDHARA ROAD , DEHRADUN

Dear Sir Please be advised that i have bought MRF tyre in Sep 2020 SIze NO:[protected] Sr.NO 1819. My car running hours since 2011 is 84000 KM only . one day suddenly i noticed that one of tyre having small bulged . Complain was made and after checking the tyre i was made to pay almost half of the prize of the tyre and service engineer told that 4 MM tyre has been used. it was surprising for me, how tyre can be used by 4 mm in 2-3 thousand running hours. How to justify that tyre was used by half of its thickness.
when spoke to engineer he told that there may be some fault in your car. This is the first time i used the MRF tyre thinking that Tyre is good reputation but it is worse than the any other cheap tyre available in the market. i never had this kind of problem before in any of my car. I rquest please waved off the payment i have to pay or reduce as cost is on higher side.