Hello,

you haven't mentioned the exam about which you want to know. But if you were asking about jee advanced then yes its both papers are conducted on the same day. Paper 1 will be from 9 am-12 pm

And paper 2 will be from 2:30 pm-5:30 pm. Both the papers are compulsory.

Hope this will help, if you have another query then feel free to ask.