Reliance Digital — Additional warranty collected and not resolving the complaint no technician is attending inspite of 1 month follow up and 6 times

Additional warranty amount collected on purchase of Panasonic refrigerator. Continuesly filing complaint since one month, 6 times complaint raised. No technician is attending.
Sweet words, sorry will attend on highest priority. End of the week one message follows.
Your feedback on our service. The complaint closed.
How can complaint be closed without attending.
Big cheating, getting frustrated.