Looking for wordpress theme that allow register vendor and work as search engine

Update: I also finding coupon and deal theme that look like Indian Online Shopping Sites Portal

Can you recommend wp theme that look like and work like wedmegood.com or weddingz.in ?
Actually the above sites template allow, vendor can register and list their services and customer can you as search engine
Please if you have any suggestion please share
Thanks in Advance

I need to change my wordpess website http://www.partygang.in.
Please suggest the best birthday party related wordpress template ASAP.