I am so excited to say I passed the PSM1 with 92% score and I just spent a week for the preparation.
1) Read the scrum guide once
2) did practice test on Scrum.org
3) prepared some notes
4) Read the Scrum guid again
5) someone recommended couple of site – thescrumexperts.com and MP paid one
6) revised my notes as I was preparing along
I thought some free mock tests are somewhat easier than the real exam so be careful guys.