Lenskart — Product missing

I ordered a yearly pack of aqua lens solution bottles. A total of 900 ml. In which it contained a 60 ml, 120 ml, 360ml and 360 ml solution bottles. I received my order today on 19th December, 2020. A bottle of 360 ml was missing from my order. I have paid an entire amount of Rs 799 for 900 ml. Out of which I have received only 540ml. Where is my 360 ml aqua lens solution bottle which I have paid for ?? I want my entire order to be delivered by earliest or else I'll file a complaint against the incomplete delivery of my order. Kindly look into the matter ASAP.