in which section short term capital gain loss we have to write loss in capital loss in share trading short term in NORMAL or PTI section provided this year in ITR?
An assessee has to include details of any pass-through income (PTI) from a business trust or an investment fund. If You received STCG from BT/IF than you are required to disclose that in PTI column.
But, As in your case your STCG is related to trading activity carried out by you (trading in share and securities), than you are required to disclose your STCG in Normal column.