a company who has hired me on a four month contract for a technical work to be done which was done in a month ............as they told me we will be using you for different projects too .........so we are hiring you for 4 months.....now they are changeing thier words becasuse thier job is done in a month time ...........and i had said no to my other clients...........also these guys are saying your job is not good ........probaly the project which used my technical stuff is delivered .....and the client loves it................please help me on this can i sue them ......i have also signed a contract with them that i will be working with them for 4 months on a contract basis...............