Kindly refer icai annoucement:
https://www.icai.org/post/relaxation-in-the-eligibility-criteria-of-completion-of-nine-months-of-practical-training-to-appear-in-intermediate-ipc-examination-for-students-registered-for-intermediate-ipc-under-cpt-route-and-converted-to-direct-entry-scheme-22-07-2015
1. You can appear for next attempt before completion of 9 months articleship. But as per icai announcement articleship should be commenced on or before 31st Oct. / 30th Apr. for being eligible to appear in the Nov. / May Intermediate Examinations respectively. (Sometimes institute provides relaxation in these cutoff dates of articleship commencement. You may refer latest notification applicable for your attempt.)
2. You are not supposed to attend orientation and ITT again.
3. Not able to get your third query. Kindly explain it again.
4. As per latest attempt intermediate examination form point no-12 is to be selected under Details for Determining Eligibility, where it has been mentioned like that....candidate who registered for intermediate course through cpt route and converted to direct entry scheme.