Hey,

GPAT is conducted by AICTE. GPAT score merit is accepted by M. Pharm colleges for admissions. Also GPAT qualified candidates get monthly scholarships after admission.

For downloading previous papers(solved): http://www.pharmagang.com/download-gpat-previous-year-solved-question-papers-pdf-with-answers-at-end/ (Source)

I would suggest you to download GPAT previous year papers with the given below link.

GPAT Sample Papers

Good Luck!