Flipkart — Refused to deliver my product

Address:

Town-sarthebari Dist-Barpeta state-Assam pin-781307

Sir,
with due respect and humbly submission i beg to state that few days ago i bought a product from Flipkart .My order number is -OD[protected] My expected delivery is 13 December 2021. But today Flipkart has cancelled my order.Please do needful immediately because this item is important for me . Without any reason why Flipkart has cancelled my item? please deliver my product immediately in my mentioned address. Flipkart has been cheating me.please do needful immediately.when i bought this item Flipkart shows that this item Was available to deliver my mentioned address.