Which itr form to be filled by positional trader

Good morning Sir,

1.I want to know that from last year I am doing trading in stock market
2. my only source of income is from stock
3. I am doing short term trading ( intraday or positional trading)
4. right now my income is below 5lac
5. now I want to know, while income tax return which form will be filed by me

thanks in an advance