Free sources for preparation CAT to learn Quant/LRDI as per recent updates

Hi please suggest some good yt channels for CAT self study. I was preparing from Rodha at first but the videos are too old( as bac as 7 years) and also not comprehensive for someone weak at Quant. Also, looking for a good DILR channel. Some good platforms for mock other than crack(u) since they ask for enrollment to give mocks after a few free ones.