Need urgent help for NYE in Vizag

Have made an impromptu new year's plan with my boyfriend. We're staying for around 4 nights 5 days. And because it is impromptu, not much planning. We just got train tickets for one side done. What all can we cover while keeping it a bit chill? And where can we stay while doing that? We're planning on getting stays after reaching - is that a bad idea? Also, we were thinking to rent scooties for a couple days. What are the rental scenes? Please please help out with budget options. We really need this trip! We leave in 6 days