Since you consider yourself a beginner, the TVS Apache RTX 300 may not be the best fit. It is a tall and top-heavy machine, which can rob newer riders of confidence. However, as a package, it is the most well-rounded machine of the three bikes you are considering, especially when it comes to touring with a pillion onboard.
The Honda CB350RS and Harley-Davidson X440 are neo-retro roadsters with torquey engines, upright ergonomics and decently plush suspension, which will make for a better fit for a newer, less experienced rider like yourself with their low seat heights and therefore, centre of gravity too. For similar reasons, the Royal Enfield Bullet and Classic 350 are also worth considering.
We recommend you take a thorough test ride of everything you’re considering with a pillion onboard before making a purchase.