Dear Sandeep, there are few reservations for lower Income category candidates like EWS, OBC-NCL, ESIC, etc. Because NEET cannot verify in person about these candidates, all the aspirants need to fill in their applications in Income Column.And based on the category you choose, you score will make a big difference in the final merit list. And your parents income that you mentioned will be verified during the time of counselling and admission to cross check if you belong to the category youbhave mentioned based on your parental income. For example, let's say I chose OBC-NCL as my category but mention that both my parents earn more han 8 lakhs each annually, I have made a wrong choice of category and can be held against. This is also one way of eliminating fraudulent choices of category based on income.