Karthik calls Raji at night

Lakshmi advises Raji to propose to Karthik one day beefore his birthday. Karthik calls Raji late at night and asks her to express her love. But, Raji wants it to be his birthday gift. The next day, Susan calls Karthik to her cabin for a discussion, but Karthik turns her down. Will Raji propose to him before Susan does?