Tds and wct on hoarding work

if a company order a vendor to to prepare hoardings of company's name and fix those hoarding at various places.

Vendor in his bill don't mention ant tin no  and service tax no

now what are various tax implication on the company in this case  ???

a) whether TDS will be deducted   @ 1% ???

b) whether WCT will be deducted @ 4% ???

c) whether as a company i have to pay service tax as reverse charge and if yes at what rate .... 6.18% or 12.36% ????