Inocme tax return

the main source of income for my friend id Salary income, but he side by side investing money in share and getting profit on that, some time intra day profit and some time short term profit, not he want to invest in F&O trading, i need to know that which ITR should he file, and from my point of view his turnover exceed 1 Crore he should audit his file, and at time same time if not then he should say his profit as more then 8% from turnover transaction.