I empathize with you gentleman. In the current scenario, not all seems to have been lost. First, in any marriage threat, coercion and cruelty cannot work as in your case.
There are 2 options to resolve this:
1. To seek divorce from the family court on the ground of cruelty and harassment as has been laid down by various judgments of high courts and Supreme Court of India;
2. Or to get the elders in the family arrive at a conclusion and hand over the jewelry and other articles in their presence and secure separation from the family court under Section 13B; seeking divorce by mutual consent.
thanks,