Tds on flat purchased from builder

Question is related to 1% TDS Rule on Sale of Property.

In this regard, please let us know how much TDS is required to be
deducted for a property purchased as below?

Flat more than 50 lacs booked on 1/3/2013 & allotment done after
payment of 10% advance on 8/3/2013 and 85% paid on 15/4/2013.
Rest 5% paid on 30/6/2013.

If no TDS has been deducted for above flat purchased from builder what
are the implications?