For your usage, in the cruiser space, you can take a look at the Royal Enfield Classic / Bullet 350 as well as any of the three Honda CB350 models. All bikes have relaxed, smooth engines, spacious seats and great suspension comfort.
In the ADV space, options like the TVS Apache RTX 300 and KTM 250 Adventure can be considered for their punchy - but not overwhelming - performance, spacious seats and comfortable ride quality, as well as luggage carrying capability.
Take thorough test rides of all shortlisted options before you decide.

