BTST Settlement holiday

Since today is settlement today can I sell the stocks bought yesterday in zerodha?

Yes, you can do BTST trades as you normally do.

@ShubhS9 , What about the case where the stock is bought a day before a settlement holiday? Would they be available to sell a day after the settlement day? If yes, then would it be considered a T+2 day trade?

The Z-connect article which is linked in Zerodha support pages explains about Settlement holiday and its impact on trading. But, it also mentions the below line at the end of the article.

This is not applicable from Feb 2020 onwards.

What exactly has changed since Feb 2020 with regards to settlement holiday and trading stocks brought around settlement holiday?