Yes, this is possible. If you want to switch colleges or universities after studying in them for some time, you are free to do it. You can appear for CUET the next year and crack the exam with good marks. If a college enquires why there's a gap year, tell them you were not sitting at home but rather enrolled in a college program and were simultaneously preparing for CUET.

Ji haan, ye possible hai. Agar aap college badalna chahte hai, to aap ek saal ruk ke dobara CUET ka exam de skate hai. Agar koi aapse pooche ki ye ek saal ka antar kyu hai, to aap bata sakte hai ki aap ek saal college ki padhai krne ke saath saath CUET ki tayari kar rahe the.