Hi Dhanush,

• PESSAT is Peoples Education Society Scholastic Aptitude Test. It is conducted by PES University, Banglore for admissions in B.Tech to PES University. Note that you can attempt only one time for this exam. 
• There are two sections, in which section 1 includes Physics, Chemistry and Mathematics and section 2 includes English.
• It is of total 180 questions.
• The syllabus includes CBSE of XI and XII standard.
• The online application has started from 10th October 2018 and it is available upto 10th April 2018. 

For more details go through the link https://engineering.careers360.com/articles/pessat.

All the best!!