Well Karthikeyan>Ricciardo>Vettel>Webber>Coulthard>Hakkinen>Mansell>Patrese>Piquet>SCHUMACHER
Karthikeyan beat Daniel in 2011 Indian GP (their only race as teammates) by finishing 17th while Ricciardo was 18th Ricciardo beat Vettel in 2014 Vettel beat Webber in 2009-2013 Webber beat Coulthard in 2008 Coulthard beat Hakkinen in 2001 Hakkinen beat Mansell in the first 2 races of 95 Mansell beat Patrese in 1991-92 Patrese beat Piquet in 1982 and Piquet beat Schumacher in the last five races of 1991 ( yes Piquet scored 4.5 points 1 5th 1 6th and 1 4th (the 4th was in a red flagged race before 75% distance so he got half points 1.5 instead of 3) while Schumacher scored 2 6ths and 1 5th 4 pts)