Hello Shivdayal,

Well there is no such restriction on total number of attempts for meet exam. Students who qualify 10+2 are eligible to appear neet exam. But there is age restriction that is minimum age should be 17years and maximum is 25 years.

All the best.

Hello dear, 

Sure you can give NEET exam more than once. There is no limit on the permitted number of attempts one can give. For more information, visit, 

https://medicine.careers360.com/articles/neet-eligibility-criteria

All the best!