Option entry is for colleges you need to aply as preference in Karnataka PGCET MBa. 

Candidates can select as many colleges without any limkt but priority or preference number has to be written besides it and allotment shall occur according toit. 

Students then need to save choices and print the form. After which mock allotment shall take place and then real allotment will take place.

All details and procedures below. 

https://engineering.careers360.com/articles/karnataka-pgcet-counselling