Hathway — I paid for 150 mbps Speed + Android Box -Speed They provided below 50 mbps No box

Hathway representative Reddy Came on 10 /1/21 with a Leaflet which mentions. 150 mbps Speed with Android Box . I paid Rs 1942 for one, month Rent and the Android Box. They provided connection with the speed blow 50 mbps and No Android Box provided.
I complaint many times to refund the money. they are not listening.
The person Reddy who came for installation is not answering calls.
I send many sms WhatsApp messages he is not answering.

Hathway do not answer they just created service token but
done nothing.
I sent emails to them they do not answer. I want them to refund full amount of RS 1942 and takeback their router. Kindly help me to get money back.
Thanks
Mohammed Aleem