Tata Motors — Gear box oil leakage multiple times for a car just driven 9000 km

Address:

panackal house ,harijan road, cheranellor

Helow i bought a tata Nexon xe petrol (KL07 CV 9411)on March 2021 ...right after 6000 km...I noticed a oil leakage and inform service center ( focoz motors) edapply and they changed the entire gear box...and give back to me ...after 3000 km my car is again showing same problem which is oil leakeage from gear box ..now the service center is saying they have to change entire gear box again ...this kind of quality issue of a vehicle is not acceptable for any coustomer .so pls take immediate action before this Sean get even worse