Xiaomi India — service complaint

Address:

Jaspur khurd, Udham Singh Nagar, Uttarakhand, 244713

Charging issue in my mi 3S mobile I visit the service centre Shree shakti enterprises spectrum mall kashipur . found subboard assy broken but battery unnecessary replaced by service centre. After repair i demand the old parts. Then deny by service centre to provide me to my old parts. When I want the payment throung debit card thrn excutive told to me, my swap machine is not working i have not accepted through card payment. Tax invoice not provide by service centre. When I demand the service centre GSTIN at invoice copy, Then tod to me I have not GSTIN. Why charge to me CGST & SGST. I submit tgr invoice in consumer court.