Levi's India — complaint about jeans

Hi i ritu rathore from shahdara had bought a women's levi's jeans from kamlq nagar levi's showroom which was pilled after one wash and resulted get too much uncomfortable.
I shared the issue with the store manager and staff and requested to replace it with anothe jeans. But after a long time almost six or seven months later they saying it cannot be replaced.
I can not wear that jeans it has go too much uncomfortable and look fade also. So i am requesting to you.
Kindly help me to refund my money or replace it.

Thankyou
Ritu rathore