PhonePe — returning pos machine

Address: Gurugram

Respected RBI & Dear Phone Pe,
I am checheated by Phone Pe Installation Person and Phone agree to return device and refund amount but now they did not collected POS and charging Monthly and also saying not refund of Intallation charge which is installed by Phone Pe wrong commitments.
They said, no extra Month charges after Installation and and Refund ₹999 of Installation amount ₹1168/=

Kindly help me.
I am sharing chat of Ticket[protected]
They committed to retund device on 13th March 2025 but did not collected and refund my amount. Aagin said today.. In next snap