Advance tax on capital gains

is it required to pay the advance tax on short term/long term capital gains. The gains made between April 21- till now. Also, will there be any fine/late charges if not paid on time(which is 15th Dec 21).

Please reply if anyone knows about it. Thanks.

This article gives some info -
Do you need to pay advance tax on capital gains from shares, dividends? - The Financial Express