Maruti zen estilo is look like a tata nano car but it look better as capair to nano . Zen estilo is fule consumping car it milage is good.It has good performance, looks, great mileage, well priced, all round performer than any car in that segment, maruti brand and wide service network all these made it to stand ahead among all other cars.The outer surface of the disc brake quickly catches rust if the car or bike are not in use, especially in humid climate area where the rate of corrosion is faster,
The noise should stop with the regular use if not please get it fixed.
warning - pls do not apply any oil or lubricant on the surface as it can impede the vehicle from braking.