Malabar Gold & Diamonds — repair

Address:

Gulbarga, Karnataka, 585103

On[protected] i went with my mom and purchased mangalasutra, after few days (Within 5 days) it has broken and approached to the shop and informed about the mangalsutra, they took it sent for repair.
As they have promised us that the product will be repaired and given back in within 15 to 20 days, but till now[protected] i didn't get the mangalsutra back,
I visited to shop and called them several times for the repair status, they just said still it will take time.
Still how days they need to repair? Do you believe that my product will be return back to me? Shall i go consumer forum and put a case against this issue?

Its not appreciable.
Resolve the issue as early as possible

Details: invoice no. Glbgs0016824
Mobile no. 9538*07