United Bank Of India [UBI] — Surrender my POS machine

Address:

Tansen Marg Baber road New Delhi 110001

I am a customer of the united bank of India Now PNB. My current account no[protected] at your branch Located at Tansen Marg. I have applied for a Returning pos machine at least 6moth ago through the branch. But after passing of one 1month no Action would be taken to Return the Machine.
My customer id is 34A08468.
Now the unduly charge are Getting Deducted from my Current Bank Account for Pos Machine. Please Look At these issues ASAp
I Want my charges to be refunded surrender my pos machine