No delivery Date Specified for Online Purchase

I have made an online purchase and after several email follow ups to *** my question in terms of what is my expected date of delivery is not answered. I am directed to the MRP website that does not provide any information when tracking my delivery and I am told repeatedly there is a 3 week delay without clarity if I can in fact expect my goods in 3 weeks. I have also enquired if I can cancel my order to which no feedback was received. I made essential item purchases and there is no sense of urgency or proper feedback provided from MRP.