TDS for purchase of property under 194IA

Property (Flat) Purchase in a ReRa project on June and date of sale of aggreement is June and only part payment is paid till the date and the total consideration is 60lakh but till date April 2024 no TDS deducted by buyer so on which amount TDS is deducted i.e on Payment made till date i.e on no. of instalment paid or on full value of Aggreement.. please guide