Hi Dear, 

now you can not change this for this you have to contact with high authority of the college asap because they are the only one who can help you in this, 

i hope this infomation is helpful for you 

for more queries just contact with us 

thank you

good luck

Hello Hrituraj

In this case, your rank will be prepared for the category you mentioned in the application form. Please contact the authority regarding same as soon as possible to resolve.