Visit tv.dhan.co search scrip as per your preference then right-click from the chart and select option chain
On the next page, click on the setting button (next to refresh) highlighted below to see option Greeks.
You can View the same in Mobile App as well by following the below steps
Login to your mobile App
Select the Contract from search option or from watchlist
You will be able to see the Greek Option in Separate Tab along with other required informative Tab