any tax lawyear pls. help me

Raja (30 Points)

10 May 2007  
i have to clear some points from you ,pls. help me.
1. i do trading in stock market on a regular basis.i have also a dealership bsn. i like to no can i set off my stock market loss with the profit of my dealership bsn.
2. can show the stock market trading as a normal bsn or i have to show it as capital account head.
3. last year my lawyear has shown both my profit of dealership bsn and loss of stock market bsn in income from bs. head and had set off loss of stock market with gain of dealership bsn..is it a valid way ? if it is wrong what can i do now for rectifing this wrong.
  pls. advice me soon.
with thanks
gopal saha