On Wed, Sep 28, 2011 at 11:56 AM, haskell <shubhammaheshwariy@gmail.com> wrote:
i am new to haskell can you tell me the softwares to install in haskell
i have install hugs emacs
but when i write any code it gives same error can you help me start i have
lekash too i have installed some more packages

As Ivan recommended, use Haskell Platform:

You can try to learn using this:
http://www.haskell.org/haskellwiki/How_to_write_a_Haskell_program 

You will learn the good practices from the very beginning.

Next, read "Real World Haskell". Free online, not so free Amazon.