In my opinion a big NO. Though scoring good marks in the Term End Exams is quite tough that is because of the strict marks evaluation done by IGNOU. If you expect getting more than 75% or 80% you might end up with just 60% marks and if you expect getting 55%, you may even fail. So, the mantra is not to take IGNOU lightly as it is with the other Open universities. Prepare well and do check previous year question papers to know about the pattern and most of the time some important questions come regularly in the TEE. I had to repeat many papers just because of the strict marks evaluation; when I was assured of passing the exams easily. So, my advice is just to start preparing on time and prepare well. It is no big deal to pass them.