As we know that TDS is to be deducted on payment exceeds rs. 75000/- aggregate during the the year u/s 194C but is we made payment like this eg. 20000/- on 17/06/2015, 25000/- on 15/08/2015, 30000/- on 19/10/2015 and 28000/- on 01/01/2016 then how & when we deduct TDS on 20000/-, 25000/-, 30000/- ? i.e. on day on which it exceeds limit of 75000 ?