HDFC Bank goes ex-split in the ratio 2:1 on September 19, 2019. Here’s how it impacts your equity holdings and F&O positions

This is why i posted on 19 September :
if you have non POA based demat account or if you are a big investor even with a POA based demat account , you can very well sell today . the delivery to broker is required by 10 am of 23 September as per t plus 2.