In case you'd like to replace the Honda Amaze with a sedan, you could consider the new Maruti Dzire. It feels much larger and more spacious than its size suggests. It has a smooth and efficient petrol engine, and ride comfort is one of its highlights. If you're open to the hatchback body style, you could consider the Hyundai i20, which feels upmarket and sophisticated. 

Both these cars are equipped with safety kits like 6 airbags, ESP, ABS with EBD, among others, and the Dzire has also received a 5-star rating in Bharat NCAP crash tests.

The Hyundai i20 IVT will be smoother for the daily city commuting, on account of its relatively more seamless automatic transmission. So if you are going to be driving this car primarily in the city, the i20 is a good choice. But on the open road, it is the Hyundai Venue's turbo-petrol engine which will deliver more effortless, stronger performance.

Also, it is worth noting that there's a huge price gap of nearly Rs 3.5 lakh between the automatic versions of the Hyundai i20 Sportz O 1.2 Petrol, and the Hyundai Venue 1.0 Turbo. But if budget permits, it makes sense to stretch for the Venue Turbo-DCT for its stronger performance, newer tech and features, and higher seating and better ground clearance.

You can consider the Hyundai i20 N Line for its sporty character, strong turbo petrol engine and its excellent driving dynamics. The car is feature-packed, with all the niceties and will easily fit within your budget. 

If you want a compact SUV, the Skoda Kylaq is a good option too, for its performance and sorted ride-handling balance
 

There are a plethora of automatic petrol cars available within your budget. Given your monthly travel is just 200-300km, we will give less weightage to fuel economy and more weightage to driving comfort. As we don't know other preferences, here's a shortlist of the best options by body style -  

Hatchback - Hyundai i20 IVT Asta (O), Citroen C3 X Shine AT
Compact sedan - Honda Amaze CVT ZX
Compact SUV - Nissan Magnite Turbo CVT, Renault Kiger Turbo CVT Emotion

The Toyota Glanza is a rebadged Maruti Suzuki Baleno, and the only difference between the two is the badge, some interior trim colours and the warranty. The Glanza is sold with a 3-year/1,00,000km warranty, while the Baleno gets a 2-year/40,000km warranty.

The Glanza is a good option if you like the way it looks, and the UV cut glass is a must-have feature for you. However, if you are looking for a car that will hold its value better, then the Maruti Suzuki Baleno is the better option, and also features UV cut class.

The Tata Altroz does get you the option of a diesel engine, and a DCT automatic, which is the more sophisticated auto gearbox here. However, you could also consider the new Hyundai i20, which comes with a CVT auto or a DCT with its powerful turbo engine.