What wiil be the TDS rate on follwing.....

Hello,

If some industrial property is given on rent and the agremment language says
that.....
This rent agreement is made at Delhi, on ......day ,M/s ABC firm at........(Address of the firm)through its propiertor Mr XYZ(First party)  s/o ...... r/o.......

AND

(Second party) MR PQR   s/o....R/o...
and so on....

Now my query is that will the TDS on rent be deducted according to TDS on rent
(i.e 15.45%) or TDS on firm(20.00%)and can the cheque be taken  in favor of propiretor name ?

(Pls its very urgent)

Thnx in adv