231 seats are in DSE out of which 50% is reserved for Economics students of DU. So 116 seats(gen. + res.) through entrance and 115(gen. + res.) through merit.
yes i agree all "economics pg classes" take place at DSE
but 200 of them get a degree from DSE and rest(32) from their respective DU colleges..
this is what i got to know after mailing them...