I have one query for IT guys... wat exactly is infosys,wipro,tcs,patni etc are all into... is it only about makin softwares for offices linkin finance ,sales ,supply chain ,HR etc etc for better work efficiency and more output or sumthin more than this... coz infosys,patni or TCS are not brand names... like microsoft or oracle... definitely i am not underestimating these companies ... but in market we have products of microsoft,oracle software,SAP software,Linux,mcintosh but nothin like infosys,patni or wipro... can anyone explain me this... please note i am not trying to defame any of these companies as even i know they have changed the whole global outlook towards india... juzz i want to know.. wat they are into...