The answer to all four of the above is yes, you will be able to change these details in the NEET application correction window that opens between March 12 and March 16, 2018. Please ensure that all the details are entered correctly in this window as no other chance to change the form will be given.
As per the CBSE, "The simple formula to verify your eligibility is by ensuring that you have studied Physics, Chemistry, Biology/Bio-Technology with English (Core) continuously for two years and have secured the required category-wise percentage".
The details which will be immediately authenticated through the candidate’s Aadhar number include Candidate’s name, Gender and Date of Birth. The candidate should enter their Mother’s name and Father’s name as given in their Class 10 High School certificate.
Only Unreserved/General candidates yet to attain 25 years of age as on the date of exam and Reserved candidates yet to attain 30 years on date of exam will be eligible to apply for NEET 2018. Unreserved candidates must be born on or after May 7, 1993 and Reserved candidates must be born on or after May 7, 1988.