ITR for profit made from share trading

My unmarried unemployed sister took 20 lacs money on loan basis from me and invested in share trading( IPOs, daily trading thru SBI capsecurities) and gained around 4+ lakhs , she invested 2 lacs under 80C . Shall she need to file the ITR for the profit made share trading? Can she file in ITR3 showing the loan amount taken from me , with the fact that she has already returned my money and the money transfer made was in need basis , on frequent intervals throughout the year , not one time?