Reliance Communications — sip connection not working since last two months

Address:

700104

Dear Team,

We are facing the service issue from the day of installation your SIP Trunk Service, We are getting internet and SIP Service down issue every day.
We are receiving worst service from Reliance.

After doing enormous followup . We have not received any resolution even a call back from our service account co-coordinator or from the customer service responsible person.
Mr Kamal Bhattacharjee, the customer service manager committed the dead line of 18th of mar'18. Now he is not responding on my call.

At the time of service installation, Mr. Haider shared us the contact details of Mr. Sankar shadhu ([protected]), But he is not responding at all.
One more person Mr. Soumya is the customer service manager ([protected]) who has attempt my call only once and complaint number,[protected]

Hence please resolve the issue ASAP and conform us the stable service or we have to disconnect.

SIP Trunk Service SO No- OMBB[protected]
MSISDN: [protected]
Company name: Essilor india private limited, Joka 700104
Contact number: [protected]