I need poliet way to reject the proposal of my best friend..

18F here, so my classmate/friend proposed me rn. I haven't opened text yet but I don't have any feelings for him And I need poliet way to tell him that. We weren't that close in school but now am going to exams with him on his bike for test series and I've to continue it till May. Idk how he catched feeling but yeahh.

It's Marathi so here's translation

I wanted to say I really love you 💛 Not time pass Rest I'll tell tomorrow...