yes definitely not required, if they provides one more from ROU. I know if a train is extended it looses its importance and it becomes a bit troublesome for the passengers of its old terminating/originating station to loose its train. But it helps the passengers of the extended portion. In the present scenario it is very difficult for Railways to introduce any new train specially in SER, they cannot even thing of any extension in the TATA-ROU section because of freight traffic.