how to get indices into private web site ?

hi,

I want to know how to get the real time live indices to include in a private web site.who will provide the indices ? In which format ? Where to download that information ? How the indices in http://www.bseindia.com/mktlive/mktwatch.asp is updated for every minute ? How to get the market watch in a private web site ? How to update every minute in a private web site ? Anyone know the answer ? Pls share with me..

thanks