The applicants are sorted into two groups: Profile based and Profile-cum-score based. The shortlisted candidate in the first list are called for an early interview. The shortlist is based on their profile considering the following factors:

Consistency of Academic record
Relevance of work Experience for the Specialization
Versatility & Achievements

You should have Overall 85% in GMAT Entrance Exam to apply for PGDM programme in SPJIMR. As you told that you have the work experience, If it is in the relevant field will be considerd. You should have the Proof  of  work  experience  such  as  offer  letter,  salary  slips  and  the  experience  letter.

Good Luck!