The question as to whether the profits on delivery-based transactions will be taxed as business income or capital gains shall depend on various factors like volume of transactions, frequency of transactions, the average holding period of the securities, other activity carried out by you for your living, source of investment in shares and value of the total transactions, etc. during the year. Since your holding period is not more than one month and the frequency of your share transaction is also very high, the same is likely to be treated as business income and not capital gains. The ultimate answer will depend on evaluating the various factors mentioned above.