How to start hydroponics

hi, this is gnansekhar… i have been reading all the posts in the forum from may be 2 years, i am very much intrested in this forum and also with agriculture, after studying for a quite period i have now decided to start hydroponic cultivation, as i said i was very new to this first i m planning to do at my home , then after having practical knowledge i will start at my farm… the thing is im in little confusion no no im in head full of confusion how to start where to start and the basic hydroponics system how to obtain or how to build, i am very much intrested in this at the same time i am very much in a confusion . so please help me to start by giving your valuable suggestions . thank q