Please suggest how can i get symbol list or RIC and their live feed.
In order to get a Symbol List RIC name of your interested exchange/data, please contact the Content support team to help you via https://my.refinitiv.com web site.
If you just want a snapshot quote data of particular exchange, you can use the Quote Service RetriveItem3 operation to retrieve a snapshot quote or a quote chain data by setting a "Name" value with a symbol list RIC and "ExpandChains" parameter as true.
The ".AV.O" RIC is a Symbol list for Top 25 most active RICs on Nasdaq.
You can find more detail regarding the TRKD Quote service in this article.