i have my attempt in may 2011..i am preparing only fr 1st group..and taking coachings for cost n dt frm 2nd group..i am good at costing and can aim at exemption..i scored 70 in pcc in d same subject...should i attempt both d groups or only 1st group..and if i attempt only 1st..wen should i attempt fr 2nd group..nov 2011 or may 2012..bcoz am nt sure bout d other subjects of 2nd group..