Maruti Suzuki India — Work not done properly and nicely

Address:

At post khede,Tal and Dist Dhule,Maharashtra 424302

I have done last year my ertiga vdi car accident work from maruti authorised showroom from seva automotive dhule.now I see which part I repair from showroom is become rusty and worse it's that mean showroom are not using good quality material and worker are not professional to done this perticular job.I am very upset about this quality of job and maintenance from maruti suzuki.