Urjakart.com — They send very bad product and also not working

Hi my self Chandrashekhar I order one soldron micro soldering iron they send the product but when I open and switch on its not working after I send mail to urjakart several time for replacement they didn't response and also called they didn't pick the call this is very bad and very worst online shopping, please help me and solve the problem sir (this is my urjakart order number[protected]