Jiofibre - Refund pending of terminated connection Jio fiber

I have terminated JioFiber connection, I have taken connection in **** and uninstallation done in **.**.****, it's almost one month but still no resolution, no human in customer care number only IVR, Jiocare mail only automatically reply, twitter Jiocare reply is there but no resolution only general reply, security deposit is pending pls see reference massage Dear Customer,
Appointment for UNINSTALLATION and Device pick of your JioFiber connection (Router + Set-Top-Box) ref Service Request Number CO****R*ZUSP is scheduled on **-Mar-**** between *am and *pm.
Chiragkumar Parmar from Jio with mobile number +************ will get in touch with you shortly. Please keep the devices ready for pick-up.
Your support in device collection is highly appreciated.
For TnCs regarding the device ownership & submission, click below:
Prepaid TnCs: https://t.jio/JioFiber_Prepaid_TnCs
Postpaid TnCs: - https://t.jio/JioFiber_Postpaid_TnCs
You will receive an Order completion code soon after UNINSTALLATION. Please share the same with our service engineer to confirm successful UNINSTALLATION.
To track or reschedule the appointment, click http://tiny.jio.com/YmnWnoj .
For any queries, feel free to call us at ***********.
Team JioFiber