Capital Gains on sale of listed Eq. Shares (BSE) subject to STT - taxability in FY 2018-19

Sirs, 

My question is :

Whether Capital Gain on sale of Equity Shares traded in BSE during FY 2018-19  is taxable? . The shares were held by the Assessee  for Long Term . STT was applicable on these sale. 

What if, these were held for Short Term.

I shall be grateful if a response is received