DHL Express India — Document delivery

We choose dhl for delivering a document to canada the document is forwrded to internetional credential assesment services canada 100 stone road west suite 102 guelph ontario
n1g5l3 canada from cheraman juma masjid p.O kodungallur 680664 the traking reference generated #[protected] as they collected a fees of 4280rs/- from us for 0.05kgs and dose not provide the gst bill when we ask for, mean while our fried send the courrier from kochin with the similar document and their ivoice amount was 2314 for 0.02 kgs as their booking reference #[protected] please clarify and revert asap
here by attaching documents for referance