Adrian Sutil and Paul di Resta had a bad day in office as Sahara Force India returned pointless from the incident-filled Korean Grand Prix here today.
While Di Resta dropped out after a carsh on the 25th lap, his teammate Sutil had stopped in the pits on the 50th lap.
Not much was expected from the Silverstone-based oufit in the race after Sutil and Di Resta started at 14th and 15th positions on the grid after a poor performance in yesterday's qualifying session.
Red Bull's Sebastian Vettel finds himself on the brink of a fourth successive world title after claiming his fourth consecutive win this year in an action-packed race, which was marred by two safety car appearances.
Lotus' duo of Kimi Raikkonen Romain Grosjean finished second and third respectively.
Sutil had to retire in the 25th lap following an accident with McLaren's Sergio Perez, who under investigation for forcing the Briton off track.
Sutil, on the other hand, spun at Turn 3 and hit Mark Webber's Red Bull which caught fire, forcing the safety car to be deployed for the second time on lap 38.
Sutil, however, continued to race for 12 more laps before deciding to retire in the 50th lap.
Force India's disappointing show at the Korean GP has increased its gap with McLaren to 19 points in the championship table after Jenson Button and Perez added five points to their team's tally with eighth and 10th place finishes rspectively.
"I was quite unlucky on the first lap because after Massa spun everybody headed for the inside and somebody hit me on the side of my front wing. The damage was not too bad but I still had to pit for a new one," said Sutil about his race.