Disha Eye Hospitals — Non delivering spectacles

Sir
Myself sibaprasad Dey PID [protected] ordered for a spectacle on 25 sep 2021, order no ORD[protected] Paid 6660.00 by payment no PT[protected] in sheoraphully DIsha eye hospital. They told the spectacle will be delivered within 10 days. After 10 days I ring to disha [protected], they give a number of a professional courier. They told they will deliver within 1-2 d ays . Today on 11 Oct 2021. I again call but they did not pick up phone. I again ring to Disha, they told courier not lifting phone . We the poor customer where to go . Please advice.