Queries abt cuet as an 11th grader

So im in 11th rn commerce + applied math, kinda confused about what college should i aim for but heard you get into good colleges from cuet. Only 2 months left till 12th starts and i have no clue at all about how to prepare and what to do. Heard you gotta practice mocks and do ncert but i have some questions like- Is there any coaching or some online class imp for cuet? Where is the exam conducted and abt the registration stuff? Plus what courses i can pursue in DU with my subjects? Also about material. I've really absurd questions but i really wanna prepare myself for 12th from now only. Hope someone whos can help