Hi Sandhya Rani -- are you trying to connect Incorta to pull data from Cassandra? Or are you trying to connect Cassandra to pull data from Incorta? I assume the former. If so, please read this community post: https://community.incorta.com/t/y7jwvd/how-to-connect-to-cassandra-3-11
There are licensing reasons that we cannot ship these .jar files with our base installation.