Hero Motocorp — defective gearbox

Address:

Hyderabad, Telangana, 500011

I own a hero pleasure. Regd no gj10cl3443 of 2018. During last service on sep 19 mody motor of hyderabad told the gear box bearings and shaft are to be replaced. And they have replaced and charged me rs 4500. Where as company claims five years warranty. L want to know where the claim has gone. Ls it for advertisement sake or else. L have done proper serving till date. Kindly look into or else i will move a step ahead. Thank you.