Rusting of body/cheap body metarial

I bought new bolero zlx 2014.reg.no.is.up83ab6069 .my experience with the SUV body metal is very bad. The body of my SUV begain rusting. When I make a complaint to the company /dealer than dealer atmaram in Agra. Dealer,s workshop in charge told me to solve my complaint and they did it by painting and dainting they made me fool .after six months it began to rust at same spot S. Mahindra, used 3rd class/cheep material to make it,s vehicles body to take more profit .it shows that how the company and their franchise makes frauds with their customers.