Tata RC Motorsport driver Narain Karthikeyan finished a commendable fifth in the Valencia leg of the Telefonica World Series on Sunday, reports PTI. Karthikeyan, who was forced to withdraw from last month's Barcelona leg of the nine-stop series because he was indisposed, was fiffth past the chequered flag in the opening race in Valencia, finishing in the points once again, according to information received here on Monday. It was one of Karthikeyan's best performances of the season, second only tohis third place podium finish at the Jarama event in June.