Thats What They Do....! If U Can't Get Your Money Back...Head Towards Abdul Hameed And Sons As @capsat mentioned ...and consider that loss as your lesson learned hard way...
Show It To Them And They Will Come With Some Solution....
Shahjee Is Thugging And Looting Since Decades Now ..You SHld Have Check It Before Heading To Any Shop....!
Best Sol Always Is To Use New Shocks...