Sheetalb, Well it depends upon which technology are you looking for? Be careful, As you said they promise big thing. Don't listen to what they say. Ask them why they have interest on you. Before joining the company try to find a lot about the company like pay, expense pay, do they give pay stub,what about H1b paper etc.... Try to visit the site target=_blank>http://desicrunch.com"> DESI CRUNCH Where you will find review of these consulting companies. Good Luck