Ceat Tyres — My vehicle 2 tyres cracking

Address:

Shakumbari Autowheels NEXA 5th km mile stone Roorkee delhi road

Hiii
i am a user of ceat tyre, i had purchased 2 ceat tyre on Feb'2018, i got to know when complaint my near ceat tyre dealer, tyre manufacturing date is 2017.
when told to tyre dealer (VISHAL TYRE ROORKEE UTTRAKHAND) my both tyre cracking and wearing out very quickly, (in two and half a years cracking and within running km-15000 wear out)
tyre dealer saying this cracking is normal and he told me your vehicle tyre wear above 80% so we cant process and saying leave it both tyre and we will send to dehradun head office (accepacted process time will be 7 to 10 days)

it's not possible for me because due to covid 19 i cannot travel through transport

I want solutions to my complaint as soon as earlier when they give a 5 year warranty.

I attached tyre cracking photographs for your reference.

praying to god that there is no any accident due to tire burst or else you will be responsible.