Woodland — I am complaining about g4092 khakhi casule shoes

I purchased woodland shoes from paytm dated 01/10/2017, in one year sole material of this shoes is totally damage and it is not in condition i use this shoes. I only wear the shoes in office time and during rainy season i dont use this shoes. I wear ony 8 month and in this short time this shoes is totally damage. What should i do. Is this product life 8 month?? Plz suggest me