Flipkart — "Cancellation of product without consent"

My order is cancelled without any notice or my consent. I am very disappointed i wanted that dress i ordered it on early BBD sale the price was very reasonable that time at 1am on 22september late the price increase and seller itself cancel my order and refund it's not the concern of refund but the matter of trust and services how they can do this to anyone it's so wrong I'm pluse member from last 3year now I'm angry and sad at the same time I was awake till that time so I got beat deals and later they do this to me . Very disappointed from Flipkart I wanted the order not refund