Tds on advance payments to vendor

There is one vendor XYZ for our company who has been engaged for interior decoration. The total estimated cost of renovation comes to Rs. 2lakh. The payments were being given as Rs. 50000 as n when part of work was finished (with TDS deduction). My question here is at time of last n final payment to vendor do we need to show deduction of Tds against the booking of bill. Im getting confused a little. Kindly help with an entry