Real time data from nseindia

How to fetch real time data(3 min late not more) from nseindia.com after nse make some changes to its site ? I do not want yahoo data because i am able to fetch that by java script and php too. Is there any javascript or php script which can fetch data ?

Give me link where is the solution
thank you

Which nsepackage? Can you provide link for that?

Thanks

ak
but u not told
how to use them
if u can then explain with pic step by step

Dear ak437 Iam getting "error 58* quotes " run time error file already exists"

Pls help.