What are the conditions for a finance lease?

I was Running the school Under Educational Society. I am President Of the society. I have taken school building from the person who is Joint secretary of the society as registerd lease agreement for period of 10 years. i.e 2018 to 2028. In Registered Lease agreement lesse : Myself on behalf of Educational Society Lessor: Joint Secretary In the Covid Pandemic School was closed for a period of two years. To escape from Financial liabilities oF school in March 2022 Lessor/Join Secretary fraudulently colluded with Secretary and Surrender the lease Agreement and sold way the School Building along With Furniture. I have tried to stop the registration by giving written complaint to Sub Registrar. Even though he endorsed the complaint he executed the registrartion. Financiers avialed the loans for the Society through me. . Now there is No school,No job the persons who sold the building are enjoying . 1. I want my school lease back to clear the loans 2. let them clear the loans