Paytm — Paytm delivered wrong product

Address:

Bangalore, Karnataka

My Order#[protected] and AWB/Tracking ID:[protected] these are my order details just imagine being in my situation ordered smartphone and got a hard-disk. invoice says i got lumia 730 which is worth 14660rs but i got a sony 1TB harddisk worth 7200rs. what's happening!!! Don't it suggest a reckless job? please do the need full as soon as possible.