Absolutely, you are entitled to sell away the land subject to the rights of the residential tenants as they may be entitled to claim benefits under Rent Control Act. As long as the tenancy period subsists, you cannot evict the tenants under due process of law. Relevant Acts/laws may be applicable to the tenants basing on the quantum of mothly/yearly rents payable by them. You can attorn the tenants to the proposed purchaser and same can be recited in the proposed sale deed. the purchasers insist upon you to deliver the title deeds relating to the property. You are not clear under whose custody the title deeds are. The required papers for completion of the sale is Original Title Deeds, Link Documents, Tax Receipts, Tenancy agreements, tenants acknolwedgements. Further, you did not state about the nature of suit under the decree. whether any execution proceedings needs to be initiated( or not ) on the said decree.