after CLAT result can I take admission, any NLU college which I'm not chose while form fill up.

Yes you can if you've good rank. The first provisional seat allotment list has been declared based on the merit. A total of three seat allotment list will release and accordingly the candidates will be called for the counselling process. As per previous year trends, there will be a minimum of 3 rounds of counselling.

Candidates have to deposit INR 50,000 for securing allotted seat during the admission procedure. The counselling consists of the following processes.

Also it's very easy to predict college on careers360 by clicking on the link mentioned below its very user friendly and very helpful
https://law.careers360.com/clat-college-predictor

Feel free to comment if you have any doubt
Good luck