Hello aspirint,

Kvpy is a online aptitude test conducted by IIsc every year you can apply to the exam going to the official website in google. The application has been released and the last will be October 5th to register and the exam will be held on November 3rd. The syllabus will be mostly from the subjects and concepts which you have studied in 1st pu and 2nd pu and the fees for it 1000 for general category and 500 for reserved caste.

Hope this was helpful

Good luck!