Form DVAT-48 requires contractees to report contractor payments and TDS quarterly with supporting challans and verification. Form DVAT-48 requires the contractee to report contractor payments and TDS particulars in a prescribed table: contractor name and TIN, gross contract value, amounts credited/paid, dates of payment and tax deduction, amount of tax deducted, TDS certificate numbers and dates, challan numbers and dates for payment to treasury, and bank/PAO details. The return must be verified by the person responsible for deduction, signed with name and designation, and accompanied by challan copies and TDS certificates; separate sheets may be used where necessary.