Since cats were cult animals in ancient Egypt, they were commonly believed to have been domesticated there, but there may have been instances of domestication as early as the Neolithic from around 9500 years ago (7500 BC). Yes you can do it. I did it in just 16 weekend days. Write it on a piece of paper. Paste it in your home and places which you see it a lot. We can tell you this, it’s possible but you’ll forget this answer in a week. You won’t crack CAT if you have doubts of limited time and limited resources. But if you remove your doubt now and put in your armours and start fighting, you’ll definitely kill the CAT not just bell it. 🙂
The time doesn’t make much of a difference unless you start preparing just few weeks before CAT. Identify your strengths and really nail them. By nailing I mean, in mocks you should getting an awesome percentile like top 100 or 200 rank after a month start of giving mocks. Also don’t neglect your weakness. Find a way where incremental time spent in which topic will give you maximum return (marks). The evening when I entered my CAT details in IIM Kozhikode’s website. I can not explain the adrenaline rush and the overwhelming feeling when it showed I am eligible for the next round. I literally choked and lumps barred my words from escaping my mouth.