Madhur Courier — Important documents parcel lost by madhur

Complain against Madhur courier, rajdev colony branch, bhopal...It's been two months since the parcel of our association got lost by madhur courier now they are not providing any solution for it, not even responding with any solution. The documents were very important, meant to start social activities with ... What if someone misuses these documents, madhur courier ready to take the responsibility???? Also, We made efforts and did crowdfunding to pay for lawyers fees and other legal fees, stamp etc... Now to make the original documents again, lawyer is asking for fees ... Madhur should provide compensation and give written consent that if documents are misused, they will take the responsibility