SSC 2011 General Grading system-http://www.bseap.org/

SSC - General Grading System

Grades        Range total
A1               600 - 509
A2              508 - 470
B1              469 - 435
B2              434 - 404
C1              403 - 374
C2              373 - 343
D1              342 - 308
D2              307 - 195
E                Not eligible
 For the Grading system of other categories the link is given below:
http://www.bseap.org/ssc_2010_results.html