(newbie) income tax .. related question plz see the post

I am salaried person income less than 2.5 lakh
now here is my question

  1. I invest in the mutual fund not yet redeem does I need to show this to IT
  2. I also do an intraday day(all transaction digitally) and here two more questions if my turnover exceeds 1 crore than I need to do the audit and if not exceed 1 crore then I don’t need an audit?

which form I need to fill for these

thanks
I am the first time for IT and salaried

  1. If you file ITR 3 you will also be filing your balance sheet which will have your investments in mf units.
  2. How much tax i have to pay after a year