No you do not need to fill any college form before NEET UG exam. All you need to do is fill the application form of NEET 2022 (which will be released by NTA; not released as of yet). After NEET UG 2022 is over, you will then need to fill up the counselling forms (when the counselling will start - All India Counselling and/or State Counselling as desired). You are suggested to keep visiting the NTA official website on a frequent basis for latest updates regarding release of application form for NEET UG 2022.

To get complete details about NEET 2022, you may visit the link - NEET 2022 - Exam Date, Study Materials, Preparation Tips, Syllabus, Time Table (careers360.com)

Also, if you want to prepare for NEET UG 2022 online at affordable rates with quality features (like AI Learning, Personalized Timetables, Mock Tests, 24x7 Doubt Support, etc) , you may check out this link - https://learn.careers360.com/medical/neet-preparation-material/