17652 augumented with 2 3AC coaches permanently..no SL permanently augumented..how ever it augumented max by 4SL,2 3AC,1 2AC ..I mean it runned with 12SL(present 8),3 3AC (earlier only one ,now permanently aaugumeted 2 3AC,totaling to 3 3AC), n 2 2AC..but many times it augumented with 2SL n one extra 3AC (earlier )