Sir, pls find the attached file, as per the circular, (see note 7) its clear that Comm and soft skills trng is must if you want to appear for both groups or remaining grp, means you can give attempt for single group in Dec'13 without trng, provided if you filled the exam form for single group..,
If you applied for 2 groups without trng, I dont think they will modify it for single grp....:-(
but still, You can send a request mail to appear for one group.. hoping they will consider ur request..
(please note.. if you are expecting to achieve Rank, then better write both groups in june'14 as one need to pass both groups at a time to get Rank..)
All the best..