IIM

No, the students who don't make it to the IIM shortlist of a particular year, they will not be considered for admission. Such candidates can appear for CAT again the next year and try for admission. If a candidate doesn't make it to the first shortlist, they can wait for the second shortlist to release in which they might be selected.

The candidates can check their admission status in IIM shortlist of each institute on their respective websites. The IIMs releases their shortlist on different days in the month of January. Once the shortlist is announced, candidates can check their status on the institute's website by using their CAT login ID. Such candidates can fill the PI form for participating in the WAT-PI round. If shortlisted, they are invited by the institute via email.

IIM waitlist means the number students who are kept waiting for the second shortlist. The institutes select a number of students for admission out of which some miss the first list due to a few points. Such students are kept in waitlist incase any candidate from the first list chooses to not appear for WAT-PI. Those who are kept in the waitlist are invited for WAT-PI if there are seats remaining to be filled after WAT-PI round of the first batch of the students. Also read: IIM Waitlist Movement - Meaning and Past Trends

IIM Ahmedabad, IIM Bangalore and IIM Calcutta have the highest CAT cut off. Every year, the cut off percentiles of these three top IIMs hover around 99-100 percentile. even though the qualifying CAT cut off is lower at 80 or 85 percentile, the final cut offs are the highest among all MBA institutes in India. For, reserved category students the final CAT cut offs of these IIMs are a few percentiles lower. 

IIM shortlist of top IIMs is released in the first week of January soon after CAT result declaration. All IIMs release their shortlist one by one after that in the same month. By the end of January, all 21 IIMs release their MBA/PGP shortlist. The WAT-PI shortlists for admission is released individually by the institutes but for the CAP participating IIMs. For them, the CAP conducting IIM releases the PI shortlist form and guidelines on behalf of rest of them. 

IIM shortlist is the list of CAT test takers who make it to the second phase of IIM admission process, which is Written Ability Test (WAT) and Personal Interview (PI). The IIM shortlist is the list of candidates who are eligible to participate in the WAT-PI rounds of IIMs for MBA admission.

A few factors that may be responsible in deciding where to study at IIM or London Business School include particular course availability, academic reputation, quality of faculty, location, etc. A comparison between these two are given below:

Yes, you can still get into an IIM, but it depends on which IIM you're aiming for. Some IIMs look at your Class 10 and 12 marks, and some don't give them much importance. Your 65% in Class 10 and 79% in Class 12 might make it a little harder at top IIMs, but if you get a really good score in the CAT exam, you still have a chance to get in. So focus on doing well in CAT.

IPMAT is conducted by IIM Indore for admission to its IPM programme. The IPMAT Indore scores are also accepted by various other top Indian Institutes of Management (IIMs). The colleges which accept IPMAT Indore scores include IIM Indore, IIM Ranchi, IIM Amritsar, IIM Sirmaur, IIM Shillong, etc. Each college releases its own IPMAT cutoff for admissions. Hence, there is not common admission test for the IPMAT admissions. 

IIM Rohtak also conducts the IPMAT exam for admission to IIM Rohtak's IPM programme. 

Both Yonsei University and IIM are globally recognised universities. According to QS World University Rankings, Yonsei University is ranked #56 whereas IIM (Ahmedabad) is ranked #60. Although both the universities have their own strengths and weaknesses, Yonsei university stands better than the IIM Ahmedabad. The table below mentions the comparison between the two universities.