Medlife International Pvt Ltd — Not submitted my original bills

Address:

Mumbai City, Maharashtra, 400019

That delivery boy did not get my original bills and said will submit me very next day.
What kind of service is this.
I called customer care also and requested that my original bills are very urgent.
If by tommorrow i dont receive my original bills i will complain to high levels.
My order no. Is. Or0573wc-001a.
Please look into the matter on urgent basis