hi, iam practicing linear and circular arrangements , where will i get such sets from easy to typical cat level all at one place

you can practice questions from here also, it is available in the practice section

If you want structured playlist you can visit these three playlists in YT: IMS LRDI 75 Sets, 200 DILR sets Anastasis Academy and Aptitude Jab DILR sets. and rest PYQs are there so you can have structured pace in learning from easy to difficult.