In case you are asking for PGDM, it is clearly mentioned officially that work experience is not mandatory and even fresh graduates can apply too.

You can refer to page number 3 in the link attcahed below:

SP JAIN PGDM admissions

The complete selection process is also mentioned.

Various factors are considered for selection of applicants such as-

• Overall profile
• Academic background
• Work experience, if any
• Entrance scores
• Versatility and achievements

Good Luck!