How I generate online leads for my company?

I am a Marketing executive of a software company called Innovation Systems Pvt. Ltd. This company is one year old & its running fine. But I want more business for my company. Our most works are on web development, We are expertise to make E-commerce website as well as social networking site and animation projects.You can visit us on www.invspl.com, www.cheapestwebdevelopment.com.