hi Ankur

as per the website information the UET exam date for B.Sc. (Hons.) Ag. (Code No.135) is on Sunday 20-05-2018; timings 12:00 PM - 2:00 PM and for B.Sc. (Hons.) Maths (Code No.181) is on Sunday 13-05-2018; timings 12:00 PM - 2:30 PM

You can check for the dates from this link- http://bhuonline.in/pdfs18/uetschedule2018.pdf and http://bhuonline.in/