S. 73 : Losses in speculation business – Business in trading in shares – Business loss -Delivery based transactions – Derivates transactions in futures and options segment- Explanation to section 73 does not differentiate between ‘delivery based transactions’ and ‘derivative transactions in F&O segment’ and same applies to entire business of purchase and sale of shares, whether such trading is delivery based or non-delivery based and, whether there is profit or loss from such business .[ S.28(i) ]