UPSC finally declared the cutoff marks for IFoS candidates from CSAT-2013 round.

We can see that for IFoS cutoffs were quite higher than IAS.

Category Forest Service Civil Service (IAS/IPS) cutoff
General 267 241
OBC 249 222
SC 233 207
ST 225 201
PH-2 178 184
PH-3 160 163

Ref: http://www.upsc.gov.in/exams/cut-off%20marks/2013/ifs/cutoff_prel.pdf