Dear aspirant,

The counselling for nits has not been started yet. There are a total 4 attempts of jee mains which is conducted in the month of February,March, April, May. After the josaa registrations will begin and after the completion of josaa rounds , csab round is conducted.

For refund you can check out the link given below-

https://www.careers360.com/question-csab-special-round-fee-for-refund-what-is-the-process-behind-it