St Courier — parcel delivered to the wrong address

Address:

Chennai, Tamil Nadu, 600019

I am a regular customer to st courier for the past one month i am facing the worst service with the st courier on 18th july 2018 i sent one courier to thiruvottur but the receiver have not received the parcel yet i raised bthe complaint to st courier pallavaram on 23rd july but none of the action have taken towards that please find the below details of those tracking id and complaint id
*st courier : we acknowledge the receipt of your complaint about awb no. [protected] and the complaint id is tnmaa[protected]* please take necessary action on to it or else please refund the money of that parcel which carries